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Sample records for asteroids digging soil

  1. JUSTIFICATION OF ENERGY CONSUMPTION DECREASE METHOD OF SOIL DIGGING PROCESS BY DRAGLINES

    Directory of Open Access Journals (Sweden)

    Krupko, V.

    2012-06-01

    Full Text Available The method of soil digging by dragline with combined drive application on the basis of wave transmission chain, which reduces power consumption of the diven process is presented and justifiod.

  2. Structural Bionic Design for Digging Shovel of Cassava Harvester Considering Soil Mechanics

    Directory of Open Access Journals (Sweden)

    Shihao Liu

    2014-01-01

    Full Text Available In order to improve the working performance of cassava harvester, structural bionic design for its digging shovel was conducted. Taking the oriental mole cricket's paws as bionic prototype, a new structural bionic design method for digging shovel was established, which considers the morphology-configuration-function coupling bionic. A comprehensive performance comparison method was proposed, which is used to select the bionic design schemes. The proposed bionic design method was used to improve digging shovel structure of a digging-pulling style cassava harvester, and nine bionic-type digging shovels were obtained with considering the impact of soil mechanics. After conducting mechanical properties comparative analysis for bionic-type digging shovels, the bionic design rules were summed up, and the optimal design scheme of digging shovel was obtained through combining the proposed comprehensive performance comparison method with Analytic Hierarchy Process (AHP. Studies have shown that bionic design method not only can improve the overall mechanical properties of digging shovel, but also can help to improve the harvesting effect of cassava harvester, which provides a new idea for crops harvesting machinery's structural optimization design.

  3. Morphological adaptations for digging and climate-impacted soil properties define pocket gopher (Thomomys spp. distributions.

    Directory of Open Access Journals (Sweden)

    Ariel E Marcy

    Full Text Available Species ranges are mediated by physiology, environmental factors, and competition with other organisms. The allopatric distribution of five species of northern Californian pocket gophers (Thomomys spp. is hypothesized to result from competitive exclusion. The five species in this environmentally heterogeneous region separate into two subgenera, Thomomys or Megascapheus, which have divergent digging styles. While all pocket gophers dig with their claws, the tooth-digging adaptations of subgenus Megascapheus allow access to harder soils and climate-protected depths. In a Northern Californian locality, replacement of subgenus Thomomys with subgenus Megascapheus occurred gradually during the Pleistocene-Holocene transition. Concurrent climate change over this transition suggests that environmental factors--in addition to soil--define pocket gopher distributional limits. Here we show 1 that all pocket gophers occupy the subset of less energetically costly soils and 2 that subgenera sort by percent soil clay, bulk density, and shrink-swell capacity (a mineralogical attribute. While clay and bulk density (without major perturbations stay constant over decades to millennia, low precipitation and high temperatures can cause shrink-swell clays to crack and harden within days. The strong yet underappreciated interaction between soil and moisture on the distribution of vertebrates is rarely considered when projecting species responses to climatic change. Furthermore, increased precipitation alters the weathering processes that create shrink-swell minerals. Two projected outcomes of ongoing climate change--higher temperatures and precipitation--will dramatically impact hardness of soil with shrink-swell minerals. Current climate models do not include factors controlling soil hardness, despite its impact on all organisms that depend on a stable soil structure.

  4. SSSA Outreach: Dig It: The Secrets of Soil, Public Service Announcements, and Science Policy Efforts

    Science.gov (United States)

    Pierzynski, Gary M.; Megonigal, Patrick; Glasener, Karl; Bergfeld, Ellen; Brevik, Eric

    2013-04-01

    The Soil Science Society of America has invested heavily in two significant outreach efforts to help raise awareness of the soil resource among the general public and with elected officials and relevant federal agencies in Washington DC. Dig It: The Secrets of Soil began as an exhibit at the Smithsonian National Museum of Natural History and ran from July 2008 through January 2010. The exhibit was rich in the use of audio-visual elements and contained a collection of the state soils from all 50 states and numerous interactive displays for all ages. Variations of the exhibit have been on display at three locations outside of Washington DC with the current location being the Bell Museum of Natural History in Minneapolis. The exhibit has been extremely successful in elevating awareness of soils to audiences with little preconceived knowledge on the subject. The success of the Dig It exhibit encouraged SSSA to further invest in three public service announcements that have been widely distributed with 570 downloads and >17,000 views (in English and Spanish) on YouTube and the I "Heart" Soil web site. In addition, I "Heart" Soil stickers were developed and >50,000 have been requested and distributed. Our Science Policy Office has recently been expanded based on evidence of positive impact in Washington DC. The formation of the Congressional Soils Caucus has increased awareness of soils within the House of Representatives and is being expanded to the Senate. A new Urban Lands Coalition has been developed that will greatly expand awareness of the value of soils in urban environments, particularly for elected officials. The Science Policy office organizes member visits with elected officials to advocate for science funding, agency visits to promote awareness of the discipline among a wide ranging of funding sources for research, has had substantial impact on a number of high profile reports, and works closely with allied scientific and professional organizations with common

  5. ASTEROIDS

    Directory of Open Access Journals (Sweden)

    Željko Andreić

    2016-02-01

    Full Text Available Asteroids are the largest minor bodies in the Solar System. Nowadays they are in the research focus due to several facts about them: first, a subclass of asteroids can collide with Earth, and consequences of such a collision are dramatic. Second, they are now seen as source of materials that are becoming scarce on Earth, and they will be needed in future space constructions anyway. Third, they are holding clues about the origin and evolution of the Solar System. In this article, a short overview of current knowledge about asteroids is presented. Last, but not least, as several Croatian scientists were recently honored by naming an asteroid after them, a short overview of the naming process is given.

  6. Soil Moisture and Excavation Behaviour in the Chaco Leaf-Cutting Ant (Atta vollenweideri): Digging Performance and Prevention of Water Inflow into the Nest

    Science.gov (United States)

    Pielström, Steffen; Roces, Flavio

    2014-01-01

    The Chaco leaf-cutting ant Atta vollenweideri is native to the clay-heavy soils of the Gran Chaco region in South America. Because of seasonal floods, colonies are regularly exposed to varying moisture across the soil profile, a factor that not only strongly influences workers' digging performance during nest building, but also determines the suitability of the soil for the rearing of the colony's symbiotic fungus. In this study, we investigated the effects of varying soil moisture on behaviours associated with underground nest building in A. vollenweideri. This was done in a series of laboratory experiments using standardised, plastic clay-water mixtures with gravimetric water contents ranging from relatively brittle material to mixtures close to the liquid limit. Our experiments showed that preference and group-level digging rate increased with increasing water content, but then dropped considerably for extremely moist materials. The production of vibrational recruitment signals during digging showed, on the contrary, a slightly negative linear correlation with soil moisture. Workers formed and carried clay pellets at higher rates in moist clay, even at the highest water content tested. Hence, their weak preference and low group-level excavation rate observed for that mixture cannot be explained by any inability to work with the material. More likely, extremely high moistures may indicate locations unsuitable for nest building. To test this hypothesis, we simulated a situation in which workers excavated an upward tunnel below accumulated surface water. The ants stopped digging about 12 mm below the interface soil/water, a behaviour representing a possible adaptation to the threat of water inflow field colonies are exposed to while digging under seasonally flooded soils. Possible roles of soil water in the temporal and spatial pattern of nest growth are discussed. PMID:24748382

  7. The effect of digging activity of little souslik on soils of the first terrace of Khaki Sor in the Botkul'sk-Khaki depression

    Science.gov (United States)

    Shabanova, N. P.; Lebedeva Verba, M. P.; Bykov, A. V.

    2014-03-01

    The effect of digging activity of little souslik ( Spermophilus pygmaeus Pall.) on the microtopography and soils was studied in the areas with shallow saline groundwater developing under continental conditions for 10.5-12.7 ka. The portion of microtopographic features related to the digging activity was quantified. It was found that the micromounds formed by sousliks appear on recently dried surfaces with shallow saline groundwater. However, their portion in this case is less than 3% because of the poor vegetation and shallow groundwater. Then, with the lowering of the base of erosion and aging of the territory, the zoogenic effect becomes more pronounced. On the first terrace of Khaki Sor (salt lake), the digging activity of sousliks creates the initial heterogeneity of soils and vegetation. The soil cover is composed of the virgin quasigleyed solonchakous solonetzes under the Atriplex-Artemisia santonica association (Gypsic Salic Solonetz (Albic, Ruptic, Oxiaquic, Siltic)) and of the zooturbated solonetzes under the Artemisia santonica-A. lerchiana association (Endosalic Hypogypsic Gypsisol (Sodic, Siltic, Novic)). A comparative analysis of morphology and some chemical properties of virgin and zooturbated soils is given. The soils of souslik-made mounds are strongly mixed, and the structure of their horizons is completely disturbed. They are characterized by an increased total content of salts mainly due to gypsum accumulation. At the same time, the content of toxic salts in the soil profile remains rather high because of their ascending migration from the strongly saline groundwater. On the first terrace, the process of zoogenic amelioration of solonetzes by sousliks is limited and does not affect deep soil layers.

  8. Digging the New York City Skyline: soil fungal communities in green roofs and city parks

    National Research Council Canada - National Science Library

    McGuire, Krista L; Payne, Sara G; Palmer, Matthew I; Gillikin, Caitlyn M; Keefe, Dominique; Kim, Su Jin; Gedallovich, Seren M; Discenza, Julia; Rangamannar, Ramya; Koshner, Jennifer A; Massmann, Audrey L; Orazi, Giulia; Essene, Adam; Leff, Jonathan W; Fierer, Noah

    2013-01-01

    .... For the current study, we evaluated whether or not green roofs planted with two native plant communities in New York City functioned as habitats for soil fungal communities, and compared fungal...

  9. Effect of mole (Talpaеuropаеa digging activity on soil microflora in case of soil cadmium pollution

    Directory of Open Access Journals (Sweden)

    O. Y. Pakhomov

    2006-01-01

    Full Text Available Influence of fossorial activity of European mole Talpa еuropаеа on number and distribution of soil microorganisms under conditions of cadmium pollution of the soil is characterized. Mammals’ fossorial activity is an important natural ecological factor that contributes to microflora rehabilitation and development under conditions of contamination.

  10. Effect of mole (Talpaеuropаеa) digging activity on soil microflora in case of soil cadmium pollution

    OpenAIRE

    O. Y. Pakhomov; L. V. Gracheva

    2006-01-01

    Influence of fossorial activity of European mole Talpa еuropаеа on number and distribution of soil microorganisms under conditions of cadmium pollution of the soil is characterized. Mammals’ fossorial activity is an important natural ecological factor that contributes to microflora rehabilitation and development under conditions of contamination.

  11. Kidnapping small icy asteroids in Earth near encounter to harbour life and to deflect trajectory

    Science.gov (United States)

    Fargion, Daniele

    2016-07-01

    The inter-planetary flight for human being is under danger because of unscreened and lethal solar flare radioactive showers. The screening of the astronauts by huge superconducting magnetic fields is unrealistic by many reasons. On the contrary the ability to reach nearby icy asteroids, to harbour there a complete undergound room where ecological life systems are first set, this goal may offer a later natural and safe currier for future human stations and enterprise. The need to deflect such a small size (a few thousands tons objects) maybe achieved by micro nuclear engines able to dig the asteroid icy skin, to heat and propel the soil by a synchronous jet engine array, bending and driving it to any desired trajectories. The need for such a wide collection of icy asteroid stations, often in a robotic ibernated state, it will offer the safe help station, raft in the wide space sea, where to collect material or energy in long human planetary travels.

  12. Test dig selv!

    DEFF Research Database (Denmark)

    Hølge-Hazelton, Bibi; Nielsen, Gregers; Langstrup, Henriette

    2011-01-01

    Teknologirådet omkring rapporten ”Test dig selv! – Vurderinger og anbefalinger vedrørende anvendelse medicinsk udstyr til selvtestning. Offentliggjort d. 25.10.11.......Teknologirådet omkring rapporten ”Test dig selv! – Vurderinger og anbefalinger vedrørende anvendelse medicinsk udstyr til selvtestning. Offentliggjort d. 25.10.11....

  13. Digging Movie from Phoenix's Sol 18

    Science.gov (United States)

    2008-01-01

    The Surface Stereo Imager on NASA's Phoenix Mars Lander recorded the images combined into this movie of the lander's Robotic Arm enlarging and combining the two trenches informally named 'Dodo' (left) and 'Goldilocks.' The 21 images in this sequence were taken over a period of about 2 hours during Phoenix's Sol 18 (June 13, 2008), or the 18th Martian day since landing. The main purpose of the Sol 18 dig was to dig deeper for learning the depth of a hard underlying layer. A bright layer, possibly ice, was increasingly exposed as the digging progressed. Further digging and scraping in the combined Dodo-Goldilocks trench was planned for subsequent sols. The combined trench is about 20 centimeters (about 8 inches) wide. The depth at the end of the Sol 18 digging is 5 to 6 centimeters (about 2 inches). The Goldilocks trench was the source of soil samples 'Baby Bear' and 'Mama Bear,' which were collected on earlier sols and delivered to instruments on the lander deck. The Dodo trench was originally dug for practice in collecting and depositing soil samples. The Phoenix Mission is led by the University of Arizona, Tucson, on behalf of NASA. Project management of the mission is by NASA's Jet Propulsion Laboratory, Pasadena, Calif. Spacecraft development is by Lockheed Martin Space Systems, Denver.

  14. Digging Up a Crime

    Science.gov (United States)

    Witham, Shelly Anne; Krockover, Gerald H.; Burgess, Wilella; Bayley, Bill

    2004-01-01

    Forensics can serve as the perfect vehicle for science exploration and learning. As part of a professional development workshop, teachers participated in various forensic activities. This article describes an archaeological dig simulation that provides the catalyst for an inquiry-based activity. In this activity, teachers make crime scene…

  15. ASTEROID OCCULTATIONS

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all reported timings of observed asteroid occultation events through Feb. 23, 2005, as well as asteroid occultation axes derived...

  16. Asteroid photometry

    Science.gov (United States)

    Li, Jian-Yang; Helfenstein, Paul; Buratti, Bonnie J.; Takir, Driss; Beth Ellen Clark,; Michel, Patrick; DeMeo, Francesca E.; Bottke, William F.

    2015-01-01

    Asteroid photometry has three major applications: providing clues about asteroid surface physical properties and compositions, facilitating photometric corrections, and helping design and plan ground-based and spacecraft observations. The most significant advances in asteroid photometry in the past decade were driven by spacecraft observations that collected spatially resolved imaging and spectroscopy data. In the mean time, laboratory measurements and theoretical developments are revealing controversies regarding the physical interpretations of models and model parameter values. We will review the new developments in asteroid photometry that have occurred over the past decade in the three complementary areas of observations, laboratory work, and theory. Finally we will summarize and discuss the implications of recent findings.

  17. Extraction of Volatiles from Regolith or Soil on Mars, the Moon, and Asteroids

    Science.gov (United States)

    Linne, Diane; Kleinhenz, Julie; Trunek, Andrew; Hoffman, Stephen; Collins, Jacob

    2017-01-01

    NASA's Advanced Exploration Systems ISRU Technology Project is evaluating concepts to extract water from all resource types Near-term objectives: Produce high-fidelity mass, power, and volume estimates for mining and processing systems Identify critical challenges for development focus Begin demonstration of component and subsystem technologies in relevant environment Several processor types: Closed processors either partially or completely sealed during processing Open air processors operates at Mars ambient conditions In-situ processors Extract product directly without excavation of raw resource Design features Elimination of sweep gas reduces dust particles in water condensate Pressure maintained by height of soil in hopper Model developed to evaluate key design parameters Geometry: conveyor diameter, screw diameter, shaft diameter, flight spacing and pitch Operational: screw speed vs. screw length (residence time) Thermal: Heat flux, heat transfer to soil Testing to demonstrate feasibility and performance Agglomeration, clogging Pressure rise forced flow to condenser.

  18. Asteroid team

    Science.gov (United States)

    Matson, D. L.

    1986-09-01

    Work on asteroid classification continued was rewarded with the discovery of two Earth-approaching M asteroids. The M class is rare and these are the first found among the near-Earth asteroids to have the spectral albedo characteristic of this class. The two asteroids are newly discovered 1986 DA and 1986 EB which were observed at N and Q bandpasses (i.e., 10 and 20 microns) with the 3 m IRTF telescope and at five wavelengths from 0.36 to 0.85 microns from Kitt peak National Observatory's 0.36 m telescope. The derived diameters are about 2 km for both objects. In the asteroid radiometry program N or Q photometry was obtained for more than 40 asteroids in Feb. 1986. Radiometric diameter calibration support were provided for stellar occultations of stars by 230 Athamantis and 129 Antigone. The data were reduced but not analyzed. Infrared spectra (0.8 to 2.6 microns) of 60 asteroids were reduced and are now ready for compositional analysis.

  19. Asteroid team

    Science.gov (United States)

    Matson, D. L.

    1986-01-01

    Work on asteroid classification continued was rewarded with the discovery of two Earth-approaching M asteroids. The M class is rare and these are the first found among the near-Earth asteroids to have the spectral albedo characteristic of this class. The two asteroids are newly discovered 1986 DA and 1986 EB which were observed at N and Q bandpasses (i.e., 10 and 20 microns) with the 3 m IRTF telescope and at five wavelengths from 0.36 to 0.85 microns from Kitt peak National Observatory's 0.36 m telescope. The derived diameters are about 2 km for both objects. In the asteroid radiometry program N or Q photometry was obtained for more than 40 asteroids in Feb. 1986. Radiometric diameter calibration support were provided for stellar occultations of stars by 230 Athamantis and 129 Antigone. The data were reduced but not analyzed. Infrared spectra (0.8 to 2.6 microns) of 60 asteroids were reduced and are now ready for compositional analysis.

  20. Forestil dig verden

    DEFF Research Database (Denmark)

    Sortkær, Allan

    2010-01-01

    Resume: Forestil dig verden En beretning om udviklingen i dansk-norsk rejselitteratur i 1700-tallet   af Allan Sortkær   Denne afhandling er en fortælling om dansk-norske rejsende, hvis rejsebeskrivelser udgør forbindelser til en større verden. Læser man 1700-tallets rejselitteratur, er steder som....... Flere spor styrer fremstillingen. Dels en historisk funderet fænomenologi i form af begreber som det forunderlige og det punktuelle rum. Det første betegner, hvad de rejsende finder mest interessant på deres rejser, det andet en bestemt måde at gestalte rummet på. Begge dele udvikler sig markant i løbet...... dermed en plads som undersåt i en religiøs såvel som en verdslig orden. Springer vi til afhandlingens sidste scene, udgøres den af Frederik Sneedorffs bestigning af Genevieve-kirkens tårn i Paris i 1791. Han beskriver, hvordan han fra tårnet skuer ud over et revolutionært Paris. Bygningerne, han ser...

  1. It is not all pheromones: No evidence that pheromones affect digging face choice during ant nest excavation.

    Science.gov (United States)

    Bruce, Andrew I

    2016-01-01

    Ants create nests of a size that is tailored to the number of individuals in a nest via a self-organized process. It is not yet clear how they accomplish this. Deposition and evaporation of pheromones at the digging face has been hypothesised by Deneubourg and Franks (1995) and Buhl et al. (2005) to be part of the nest construction process, with models being presented to support this contention. This hypothesis was tested by allowing groups of 5 Acromyrmex lundi workers to choose between two excavation sites, one that was freshly exposed to digging and one where digging had ceased an hour previously. It was expected that if pheromones played a role in stimulating digging, then ants would show a preference for digging in the "fresh" sites rather than the "aged" sites where the putative digging pheromone had decayed. No significant difference in digging activity between "fresh" and "aged" sites was detected. It is therefore likely that, while digging pheromones may play other roles in other parts of the digging system, they do not play an important role in regulation of soil excavation at the digging face. Copyright © 2015 Elsevier B.V. All rights reserved.

  2. Asteroids IV

    Science.gov (United States)

    Michel, Patrick; DeMeo, Francesca E.; Bottke, William F.

    Asteroids are fascinating worlds. Considered the building blocks of our planets, many of the authors of this book have devoted their scientific careers to exploring them with the tools of our trade: ground- and spacebased observations, in situ space missions, and studies that run the gamut from theoretical modeling efforts to laboratory work. Like fossils for paleontologists, or DNA for geneticists, they allow us to construct a veritable time machine and provide us with tantalizing glimpses of the earliest nature of our solar system. By investigating them, we can probe what our home system was like before life or even the planets existed. The origin and evolution of life on our planet is also intertwined with asteroids in a different way. It is believed that impacts on the primordial Earth may have delivered the basic components for life, with biology favoring attributes that could more easily survive the aftermath of such energetic events. In this fashion, asteroids may have banished many probable avenues for life to relative obscurity. Similarly, they may have also prevented our biosphere from becoming more complex until more recent eras. The full tale of asteroid impacts on the history of our world, and how human life managed to emerge from myriad possibilities, has yet to be fully told. The hazard posed by asteroid impacts to our civilization is low but singular. The design of efficient mitigation strategies strongly relies on asteroid detection by our ground- and spacebased surveys as well as knowledge of their physical properties. A more positive motivation for asteroid discovery is that the proximity of some asteroids to Earth may allow future astronauts to harvest their water and rare mineral resources for use in exploration. A key goal of asteroid science is therefore to learn how humans and robotic probes can interact with asteroids (and extract their materials) in an efficient way. We expect that these adventures may be commonplace in the future

  3. Digging Deep: how the convergence of national-scale and field-based soil core data shines a light on sustainability of wetland carbon sequestration

    Science.gov (United States)

    Windham-Myers, L.; Holmquist, J. R.; Sundquist, E. T.; Drexler, J. Z.; Bliss, N.

    2016-12-01

    Wetland soils have long been recognized as conditional archives of past environments, including vegetation structure, nutrient status, sediment supply and the variability in those factors. Both sedimentary processes and organic accretion processes form the soil matrix that identifies wetland soils as "hydric" while also providing archival insights. As repositories of information on net biogeochemical processes, their down-core and across-site structure can show both consistency and distinction. Through several related studies, we have been exploring the use of component-level U.S. Natural Resources Conservation Service (NRCS) Soil Survey data (SSURGO) to map carbon density to 1m depth across wetlands of the US, with an emphasis on coastal wetlands. To assess the accuracy of mapped carbon data from SSURGO, several field-generated datasets (public or compiled for the NASA-funded Blue Carbon Monitoring Project) have been extracted for key metrics such as dry bulk density (g/cc), organic carbon content (%C by combustion) and the combination, soil carbon density (g C /cc) with depth. These profiles indicate ecogeomorphic feedbacks of elevation, vegetation structure and biogeochemical processes through millennia, illustrating both resilience and shifts in behavior that constrain wetland extent as well as wetland function. National datasets such as SSURGO and validation datasets such as the EPA's National Wetland Condition Assessment (NWCA) and Louisiana's Coastwide Reference Monitoring System (CRMS) are publically available and have been underutilized for predicting and/or validating changes in wetland carbon dynamics. We have explored their use for interpretating and understanding changing carbon accretion rates, changing wetland extents through elevation gain or loss, and changing methane emissions. This talk will focus on insights for wetland carbon sequestration functions as determined by soil core structure, both for coastal settings and potentially for inland

  4. Asteroid structure

    Science.gov (United States)

    Asphaug, E.

    2014-07-01

    Even before the first space missions to asteroids, in the mid-1990s, it was known that asteroids have weird structures. Photometry indicated complicated shapes, and the pioneering radar investigations by Ostro and colleagues followed by adaptive optics campaigns and flybys showed odd binary forms, and confirmed the common presence of satellites, and indications of highly varying surface roughness. Some asteroids turned out to be dominated by a single major cratering event, while others showed no evidence of a major crater, or perhaps for global crater erasure. The first space mission to orbit an asteroid, NEAR, found a mixture of heavily cratered terrains and geomorphically active 'ponds', and indicated evidence for global seismicity from impact. The next mission to orbit an asteroid, Hayabusa, found what most agree is a rubble pile, with no major craters and an absence of fines. There is to date no direct evidence of asteroid interior geology, other than measurements of bulk density, and inferences made for mass distribution asymmetry based on dynamics, and inferences based on surface lineaments. Interpolating from the surface to the interior is always risky and usually wrong, but of course the answer is important since we are someday destined to require this knowledge in order to divert a hazardous asteroid from impact with the Earth. Even considering the near-subsurface, here we remain as ignorant as we were about the Moon in the early 1960s, whether the surface will swallow us up in dust, or will provide secure landing and anchoring points. Laboratory experimentation in close to zero-G is still in its early stages. Adventures such as mining and colonization will surely have to wait until we better know these things. How do we get from here to there? I will focus on 3 areas of progress: (1) asteroid cratering seismology, where we use the surface craters to understand what is going on inside; (2) numerical modeling of collisions, which predicts the internal

  5. Digging for knowledge

    Science.gov (United States)

    Szu, Harold; Jenkins, Jeffrey; Hsu, Charles; Goehl, Steve; Miao, Liden; Cader, Masud; Benachenhou, Dalila

    2009-04-01

    The "smile of a mother" is always recognized, whenever and wherever. But why is my PC always dumb and unable to recognize me or my needs, whoever or whatever? This paper postulates that such a 6 W's query and search system needs matching storage. Such a lament will soon be mended with a smarter PC, or a smarter Google engine, a network computer, working in the field of data retrieval, feature extraction, reduction, and knowledge precipitation. Specifically, the strategy of modern information storage and retrieval shall work like our brains, which are constantly overwhelmed by 5 pairs of identical tapes taken by eyes, ears, etc. 5 high fidelity sensors generate 5 pairs of high definition tapes which produce the seeing and hearing etc. in our perception. This amounts to 10 tapes recorded in a non-abridged fashion. How can we store and retrieve them when we need to? We must reduce the redundancy, enhancing the signal noise ratio, and fusing invariant features using a simple set of mathematical operations to write according to the union and read by the intersection in the higher dimensional vector space. For example, (see paper for equation) where the query must be phrased in terms of the union of imprecise or partial set of 6w's denoted by the union of lower case w's. The upper case W's are the archival storage of a primer tree. A simplified humanistic representation may be called the 6W space (who, what, where, when, why, how), also referred to as the Newspaper geometry. It seems like mapping the 6W to the 3W (World Wide Web) is becoming relatively easier. It may thus become efficient and robust by rapidly digging for knowledge through the set operations of union, writing, and intersection, reading, upon the design of 6 W query searching engine matched efficiently by the 6W vector index databases. In fact, Newspaper 6D geometry may be reduced furthermore by PCA (Principal Component Analysis) eigenvector mathematics and mapped into the 2D causality space comprised of

  6. Impact-Actuated Digging Tool for Lunar Excavation

    Science.gov (United States)

    Wilson, Jak; Chu, Philip; Craft, Jack; Zacny, Kris; Santoro, Chris

    2013-01-01

    NASA s plans for a lunar outpost require extensive excavation. The Lunar Surface Systems Project Office projects that thousands of tons of lunar soil will need to be moved. Conventional excavators dig through soil by brute force, and depend upon their substantial weight to react to the forces generated. This approach will not be feasible on the Moon for two reasons: (1) gravity is 1/6th that on Earth, which means that a kg on the Moon will supply 1/6 the down force that it does on Earth, and (2) transportation costs (at the time of this reporting) of $50K to $100K per kg make massive excavators economically unattractive. A percussive excavation system was developed for use in vacuum or nearvacuum environments. It reduces the down force needed for excavation by an order of magnitude by using percussion to assist in soil penetration and digging. The novelty of this excavator is that it incorporates a percussive mechanism suited to sustained operation in a vacuum environment. A percussive digger breadboard was designed, built, and successfully tested under both ambient and vacuum conditions. The breadboard was run in vacuum to more than 2..times the lifetime of the Apollo Lunar Surface Drill, throughout which the mechanism performed and held up well. The percussive digger was demonstrated to reduce the force necessary for digging in lunar soil simulant by an order of magnitude, providing reductions as high as 45:1. This is an enabling technology for lunar site preparation and ISRU (In Situ Resource Utilization) mining activities. At transportation costs of $50K to $100K per kg, reducing digging forces by an order of magnitude translates into billions of dollars saved by not launching heavier systems to accomplish excavation tasks necessary to the establishment of a lunar outpost. Applications on the lunar surface include excavation for habitats, construction of roads, landing pads, berms, foundations, habitat shielding, and ISRU.

  7. Geotechnical Tests on Asteroid Simulant Orgueil

    Science.gov (United States)

    Garcia, Alexander D'marco

    2017-01-01

    In the last 100 years, the global population has more than quadrupled to over seven billion people. At the same time, the demand for food and standard of living has been increasing which has amplified the global water use by nearly eight times from approximately 500 to 4000 cu km per yr from 1900 to 2010. With the increasing concern to sustain the growing population on Earth it is necessary to seek other approaches to ensure that our planet will have resources for generations to come. In recent years, the advancement of space travel and technology has allowed the idea of mining asteroids with resources closer to becoming a reality. During the duration of the internship at NASA Kennedy Space Center, several geotechnical tests were conducted on BP-1 lunar simulant and asteroid simulant Orgueil. The tests that were conducted on BP-1 was to practice utilizing the equipment that will be used on the asteroid simulant and the data from those tests will be omitted from report. Understanding the soil mechanics of asteroid simulant Orgueil will help provide basis for future technological advances and prepare scientists for the conditions they may encounter when mining asteroids becomes reality in the distant future. Distinct tests were conducted to determine grain size distribution, unconsolidated density, and maximum density. Once the basic properties are known, the asteroid simulant will be altered to different levels of compaction using a vibrator table to see how compaction affects the density. After different intervals of vibration compaction, a miniature vane shear test will be conducted. Laboratory vane shear testing is a reliable tool to investigate strength anisotropy in the vertical and horizontal directions of a very soft to stiff saturated fine-grained clayey soil. This test will provide us with a rapid determination of the shear strength on the undisturbed compacted regolith. The results of these tests will shed light on how much torque is necessary to drill

  8. Asteroid Impact Mission: relevance to asteroid mining

    Science.gov (United States)

    Michel, P.; Kueppers, M.; Carnelli, I.

    2017-09-01

    The Asteroid Impact Mission (AIM) is the European (ESA) component of the AIDA mission in collaboration with NASA. The objectives of AIDA are: (1) to perform a test of asteroid deflection using a kinetic impactor with the USA (NASA) component DART, and (2) with AIM, to investigate the binary near-Earth asteroid Didymos, in particular its secondary and target of DART, with data of high value for mining purposes.

  9. Asteroid Family Associations of Active Asteroids

    Science.gov (United States)

    Hsieh, Henry H.; Novaković, Bojan; Kim, Yoonyoung; Brasser, Ramon

    2018-02-01

    We report on the results of a systematic search for associated asteroid families for all active asteroids known to date. We find that 10 out of 12 main-belt comets (MBCs) and five out of seven disrupted asteroids are linked with known or candidate families, rates that have ∼0.1% and ∼6% probabilities, respectively, of occurring by chance, given the overall family association rate of 37% for asteroids in the main asteroid belt. We find previously unidentified family associations between 238P/Read and the candidate Gorchakov family, 311P/PANSTARRS and the candidate Behrens family, 324P/La Sagra and the Alauda family, 354P/LINEAR and the Baptistina family, P/2013 R3-B (Catalina-PANSTARRS) and the Mandragora family, P/2015 X6 (PANSTARRS) and the Aeolia family, P/2016 G1 (PANSTARRS) and the Adeona family, and P/2016 J1-A/B (PANSTARRS) and the Theobalda family. All MBCs with family associations belong to families that contain asteroids with primitive taxonomic classifications and low average reported albedos (\\overline{{p}V}≲ 0.10), while disrupted asteroids with family associations belong to families that contain asteroids that span wider ranges of taxonomic types and average reported albedos (0.06p}V}young asteroid families could lead to the production of present-day MBCs.

  10. ASTEROID LIGHTCURVE DERIVED DATA

    Data.gov (United States)

    National Aeronautics and Space Administration — This is a compilation of published rotational parameters derived from lightcurve data for asteroids, based on the Warner et al. (2009) Asteroid Lightcurve Database....

  11. Asteroid impact risk

    OpenAIRE

    Rumpf, Clemens

    2016-01-01

    Asteroid impacts are a hazard to human populations. A method to assess the impact risk of hazardous asteroids was developed in this work, making use of the universal concept of risk culminating in the Asteroid Risk Mitigation Optimization and Research (ARMOR) tool. Using this tool, the global spatial risk distribution of a threatening asteroid can be calculated and expressed in the units of expected casualties (= fatalities). Risk distribution knowledge enables disaster managers to plan for a...

  12. Asteroid thermophysical modeling

    OpenAIRE

    Delbo, Marco; Mueller, Michael; Emery, Joshua P.; Rozitis, Ben; Capria, Maria Teresa

    2015-01-01

    The field of asteroid thermophysical modeling has experienced an extraordinary growth in the last ten years, as new thermal infrared data became available for hundreds of thousands of asteroids. The infrared emission of asteroids depends on the body's size, shape, albedo, thermal inertia, roughness and rotational properties. These parameters can therefore be derived by thermophysical modeling of infrared data. Thermophysical modeling led to asteroid size estimates that were confirmed at the f...

  13. Asteroid volatiles inventory

    Science.gov (United States)

    Lebofsky, L. A.; Jones, T. D.; Herbert, F.

    1989-01-01

    Asteroids appear in light of telescopic and meteority studies to be the most accessible repositories of early solar system history available. In the cooler regions of the outer asteroid belt, apparently unaffected by severe heating, the C, P, and D populations appear to harbor significant inventories of volatiles; the larger primordial belt population may have had an even greater percentage of volatile-rich, low-albedo asteroids, constituting a potent asteroid for veneering early terrestrial planet atmospheres. The volatile-rich asteroids contain carbon, structurally bound and adsorbed water, as well as remnants of interstellar material predating the solar system.

  14. Cratering on Asteroids

    Science.gov (United States)

    Marchi, S.; Chapman, C. R.; Barnouin, O. S.; Richardson, J. E.; Vincent, J.-B.

    Impact craters are a ubiquitous feature of asteroid surfaces. On a local scale, small craters puncture the surface in a way similar to that observed on terrestrial planets and the Moon. At the opposite extreme, larger craters often approach the physical size of asteroids, thus globally affecting their shapes and surface properties. Crater measurements are a powerful means of investigation. Crater spatial and size distributions inform us of fundamental processes, such as asteroid collisional history. A paucity of craters, sometimes observed, may be diagnostic of mechanisms of erasure that are unique on low-gravity asteroids. Byproducts of impacts, such as ridges, troughs, and blocks, inform us of the bulk structure. In this chapter we review the major properties of crater populations on asteroids visited by spacecraft. In doing so we provide key examples to illustrate how craters affect the overall shape and can be used to constrain asteroid surface ages, bulk properties, and impact-driven surface evolution.

  15. Effect of Ni on aspartataminotransferase activity in Glechoma hederacea leaves subject to digging function by mammals

    Directory of Open Access Journals (Sweden)

    O. Y. Pakhomov

    2013-10-01

    Full Text Available Using simple and highly sensitive methods of biochemical analysis (determination of total enzyme activity of the class transferase and content of water-soluble protein fraction in Glechoma hederacea L. leaves, as response mechanisms of organisms to environmental change we have detected an environment forming role played by Talpa europaea L. (european mole, through its digging function, studied against the background of anthropogenic Ni pollution with concentrations of 0.2, 1.0 and 2.0 g/m2, which was equivalent to the presence of Ni at 1, 5, 10 times the dose of maximum permissible concentration (MPC. Thus, we discovered the fact of the reduction in total activity of aspartat­aminotransferase (AST in G. hederacea leaves by 12–65% and concentrations of water-soluble protein fraction by 30–60% relative to control (the area without pollution of Ni and digging activity of mammals. The combined effect of the digging activity of T. europaea and Ni at doses of 5, 10 MAC contributed to the increased activity of the enzyme from 2.3 to 3.0 times (compared with the control in the corresponding concentration Ni. The concentration of water soluble protein fraction under the combined effect of the digging activity and Ni at maximum concentration in G. hederacea leaves was reduced by 2 times (compared with the control in the corresponding concentration Ni, because it was difficult for the system to operate the mechanisms of recovery and normalization function, while at low and medium metal concentration the processes of protein metabolism increased by 11–150%. Вesides, the іnfluence of the digging activity of mammals (Apodemus sylvaticus L., A. flavicollis Melchior, Clethrionomys glareoles Schreber as our examples under the condition of artificial Ni soil pollution of the Ni polluted soil in the natural humid forest was assessed. Pollutants drastically influence the proteolityc activity of the soil that reflects microorganism’s metabolism. The

  16. Energetic cost of digging behavior in workers of the leaf-cutting ant Atta sexdens (Fabricius

    Directory of Open Access Journals (Sweden)

    Roberto da Silva Camargo

    2013-12-01

    Full Text Available Energetic cost of digging behavior in workers of the leaf-cutting ant Atta sexdens (Fabricius. During nest excavation, leaf-cutting ant workers undergo reduction in their body reserve, particularly carbohydrates. In order to estimate the energetic cost of digging, groups of 30 workers of the leaf-cutting ant Atta sexdens were sealed in a hermetic chamber for 24, 48 and 72 hours, with and without soil for digging, and had the CO2 concentration measured using respirometric chambers as well as volume of soil excavated (g. As expected, the worker groups that carried out soil excavation expelled more carbon dioxide than the groups that did not excavate. Therefore, a worker with body mass of 9.65 ± 1.50 mg dug in average 0.85 ± 0.27 g of soil for 24 hours, consuming ca. 0.58 ± 0.23 J. In this study, we calculate that the energetic cost of excavation per worker per day in the experimental set-up was ca. 0.58 J.

  17. Accelerator projects digs itself into a hole

    CERN Multimedia

    Levitin, C

    1998-01-01

    The director of the Russian Academy of Sciences' Institute of High Energy Physics is under attack from colleagues for refusing to salvage an 18 million dollar boring machine being used to dig a tunnel for a new particle accelerator (1/2 page).

  18. Asteroids and Amateur Astronomers.

    Science.gov (United States)

    Gunter, Jay U.

    1985-01-01

    Traces asteroid discoveries by amateurs from the 19th century to the present. The importance and necessity of amateur work are noted, especially with reference to observing and documenting occultations (one object passes directly in front of another which is farther away). Suggestions are made for viewing asteroids as a hobby. (DH)

  19. SEVEN COLOR ASTEROID SURVEY

    Data.gov (United States)

    National Aeronautics and Space Administration — The Seven-color Asteroid Survey(SCAS) consists of photometry in seven filters from 0.9 to 2.3 microns, of a total of 126 asteroids of types S, K, and M.

  20. Digging as tactics of escape in two bumblebee species with different nesting ecology: Bombus terrestris L. and B. pascuorum Scopoli.

    Science.gov (United States)

    Godzińska, E J

    1988-01-01

    Hymenoptera respond to confinement by vigorous and persistent escape behavior. In a field study, workers of two bumblebee species, Bombus terrestris L. and B. pascuorum Scop., were tested in glass tubes plugged by soil at the open end, and with their other, closed end oriented towards the-sunlight, so that the bees could alternate between two escape tactics: photopositive behavior and digging behavior. The bees of both species proved to be able to sdve such an escape task, i.e. to dig their way out of the tube almost without exceptions. However, as expected, workers of B. terrestris, a species nesting in underground cavities connected with the outside world by long tunnels, performed better than workers of B. pascuorum, a surface-nesting species. The workers of B. terrestris started to dig earlier, were digging more persistently and more efficiently, and, consequently, escaped out the test tubes earlier than the workers of B. pascuorum. High intraspecific variability in all parameters characterizing digging behavior of the bumblebees was also recorded.

  1. AIDA: Asteroid impact & Deflection Assessment

    OpenAIRE

    Cheng, A F; Michel, P; Ulamec, S.; Reed, C

    2015-01-01

    The Asteroid Impact & Deflection Assessment (AIDA) mission is a kinetic impactor experiment to demonstrate asteroid impact hazard mitigation by deflecting an asteroid. AIDA is an international cooperation between NASA and ESA, consisting of two mission elements: the NASA Double Asteroid Redirection Test (DART) mission and the ESA Asteroid Impact Mission (AIM) rendezvous mission. The primary goals of AIDA are (i) to demonstrate the kinetic impact technique on a potentially hazardous near-Ea...

  2. 24-COLOR ASTEROID SURVEY

    Data.gov (United States)

    National Aeronautics and Space Administration — This dataset is comprised of asteroid flux data measured in 26 filters using the McCord dual beam photometer, and covering the range 0.32 - 1.08 microns for 285...

  3. SAWYER ASTEROID SPECTRA

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set contains 94 optical asteroid spectra obtained by Scott Sawyer as part of his Ph.D. dissertation at the University of Texas at Austin. Observational...

  4. 52-COLOR ASTEROID SURVEY

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set contains 52-color IR data of asteroids, taken using a double circularly variable filter. The short wavelength portion of the CVF covered the octave...

  5. Asteroids@Home

    Science.gov (United States)

    Durech, Josef; Hanus, J.; Vanco, R.

    2012-10-01

    We present a new project called Asteroids@home (http://asteroidsathome.net/boinc). It is a volunteer-computing project that uses an open-source BOINC (Berkeley Open Infrastructure for Network Computing) software to distribute tasks to volunteers, who provide their computing resources. The project was created at the Astronomical Institute, Charles University in Prague, in cooperation with the Czech National Team. The scientific aim of the project is to solve a time-consuming inverse problem of shape reconstruction of asteroids from sparse-in-time photometry. The time-demanding nature of the problem comes from the fact that with sparse-in-time photometry the rotation period of an asteroid is not apriori known and a huge parameter space must be densely scanned for the best solution. The nature of the problem makes it an ideal task to be solved by distributed computing - the period parameter space can be divided into small bins that can be scanned separately and then joined together to give the globally best solution. In the framework of the the project, we process asteroid photometric data from surveys together with asteroid lightcurves and we derive asteroid shapes and spin states. The algorithm is based on the lightcurve inversion method developed by Kaasalainen et al. (Icarus 153, 37, 2001). The enormous potential of distributed computing will enable us to effectively process also the data from future surveys (Large Synoptic Survey Telescope, Gaia mission, etc.). We also plan to process data of a synthetic asteroid population to reveal biases of the method. In our presentation, we will describe the project, show the first results (new models of asteroids), and discuss the possibilities of its further development. This work has been supported by the grant GACR P209/10/0537 of the Czech Science Foundation and by the Research Program MSM0021620860 of the Ministry of Education of the Czech Republic.

  6. The Asteroid Impact Mission (AIM)

    Science.gov (United States)

    Küppers, M.; Carnelli, I.; Galvez, A.; Mellab, K.; Michel, P.; AIM Team

    2015-10-01

    The Asteroid Impact Mission (AIM) is ESA's contribution to an international cooperation targeting the demonstration of deflection of a hazardous nearearth asteroid as well as the first in-depth investigation of a binary asteroid. After launch in 2020, AIM will rendezvous the binary near-Earth asteroid (65803) Didymos in 2022 and observe the system before, during, and after the impact of NASA's Double Asteroid Redirection Test (DART) spacecraft. The AIM mission will test new technologies like optical telecommunications by laser and Cubesats with nano-payloads and will perform scientific measurements at the asteroid system.

  7. The Maria asteroid family

    Science.gov (United States)

    Aljbaae, S.; Carruba, V.; Masiero, J. R.; Domingos, R. C.; Huaman, M.

    2017-11-01

    The Maria asteroid family is a group of S-type asteroids. Its location adjacent to the left side of the 3J:-1A mean-motion resonances could be the reason for the absence of the left side of the `V' shape in the (a, 1/D) domain. This family can be considered as a likely source of ordinary chondrite-like material. In this work, we make use of the time dependence of the asymmetric coefficient AS describing the degree of asymmetry of the C distribution of a fictitious Maria family generated with the value of the ejection velocity parameter VEJ = 35 m s-1 to obtain an age estimate of 1750_{+537}^{-231} Myr, in good agreement with the family age found in the literature. Analysing the contribution to the near-Earth object (NEO) population, we found that about 7.6 per cent of presently known near-Earth asteroids (NEAs) have orbits similar to asteroids from the Maria family. Only ˜1.7 per cent of our simulated family can stay in NEO space for more than 10 Myr, while only five asteroids become NEOs in the last 500 Myr of the simulation.

  8. 2015 Barcelona Asteroid Day

    CERN Document Server

    Gritsevich, Maria; Palme, Herbert

    2017-01-01

    This volume is a compilation of the research presented at the International Asteroid Day workshop which was celebrated at Barcelona on June 30th, 2015. The proceedings discuss the beginning of a new era in the study and exploration of the solar system’s minor bodies. International Asteroid Day commemorates the Tunguska event of June 30th, 1908. The workshop’s goal was to promote the importance of dealing proactively with impact hazards from space. Multidisciplinary experts contributed to this discussion by describing the nature of comets and asteroids along with their offspring, meteoroids. New missions to return material samples of asteroids back to Earth such as Osiris-REx and Hayabusa 2, as well as projects like AIM and DART which will test impact deflection techniques for Potentially Hazardous Asteroids encounters were also covered. The proceedings include both an outreach level to popularize impact hazards and a scientific character which covers the latest knowledge on these topics, as well as offeri...

  9. Asteroids astronomical and geological bodies

    CERN Document Server

    Burbine, Thomas H

    2016-01-01

    Asteroid science is a fundamental topic in planetary science and is key to furthering our understanding of planetary formation and the evolution of the Solar System. Ground-based observations and missions have provided a wealth of new data in recent years, and forthcoming missions promise further exciting results. This accessible book presents a comprehensive introduction to asteroid science, summarising the astronomical and geological characteristics of asteroids. The interdisciplinary nature of asteroid science is reflected in the broad range of topics covered, including asteroid and meteorite classification, chemical and physical properties of asteroids, observational techniques, cratering, and the discovery of asteroids and how they are named. Other chapters discuss past, present and future space missions and the threat that these bodies pose for Earth. Based on an upper-level course on asteroids and meteorites taught by the author, this book is ideal for students, researchers and professional scientists ...

  10. Asteroids - NeoWs API

    Data.gov (United States)

    National Aeronautics and Space Administration — NeoWs (Near Earth Object Web Service) is a RESTful web service for near earth Asteroid information. With NeoWs a user can: search for Asteroids based on their...

  11. Geography of the asteroid belt

    Science.gov (United States)

    Zellner, B. H.

    1978-01-01

    The CSM classification serves as the starting point on the geography of the asteroid belt. Raw data on asteroid types are corrected for observational biases (against dark objects, for instance) to derive the distribution of types throughout the belt. Recent work on family members indicates that dynamical families have a true physical relationship, presumably indicating common origin in the breakup of a parent asteroid.

  12. Rising Above the Storm: DIG TEXAS

    Science.gov (United States)

    Ellins, K. K.; Miller, K. C.; Bednarz, S. W.; Mosher, S.

    2011-12-01

    For a decade Texas educators, scientists and citizens have shown a commitment to earth science education through planning at the national and state levels, involvement in earth science curriculum and teacher professional development projects, and the creation of a model senior level capstone Earth and Space Science course first offered in 2010 - 2011. The Texas state standards for Earth and Space Science demonstrate a shift to rigorous content, career relevant skills and use of 21st century technology. Earth and Space Science standards also align with the Earth Science, Climate and Ocean Literacy framework documents. In spite of a decade of progress K-12 earth science education in Texas is in crisis. Many school districts do not offer Earth and Space Science, or are using the course as a contingency for students who fail core science subjects. The State Board for Educator Certification eliminated Texas' secondary earth science teacher certification in 2009, following the adoption of the new Earth and Space Science standards. This makes teachers with a composite teacher certification (biology, physics and chemistry) eligible to teach Earth and Space Science, as well other earth science courses (e.g., Aquatic Science, Environmental Systems/Science) even if they lack earth science content knowledge. Teaching materials recently adopted by the State Board of Education do not include Earth and Space Science resources. In July 2011 following significant budget cuts at the 20 Education Service Centers across Texas, the Texas Education Agency eliminated key staff positions in its curriculum division, including science. This "perfect storm" has created a unique opportunity for a university-based approach to confront the crisis in earth science education in Texas which the Diversity and Innovation in the Geosciences (DIG) TEXAS alliance aims to fulfill. Led by the Texas A&M University College of Geosciences and The University of Texas Jackson School of Geosciences, with

  13. Manuel's asteroid disruption technique.

    Science.gov (United States)

    John, Manuel; Ipe, Abraham; Jacob, Ivan

    2015-06-01

    A seventy-year-old male presented with dense asteroid hyalosis in both eyes. He had undergone cataract extraction in one eye 3 years ago, and the other eye had immature cataract. Both the autorefractor and dilated streak retinoscopy did not give readings and subjective visual improvement could not be achieved. Immediately following YAG posterior capsulotomy and anterior vitreous asteroid disruption, the vision improved to 20/20 with recordable auto refractor and streak retinoscopy values. Our initial experience indicates that the treatment is simple, safe and effective but needs controlled and prospective studies to confirm its long-term safety.

  14. NASA's Asteroid Redirect Mission (ARM)

    Science.gov (United States)

    Abell, P. A.; Mazanek, D. D.; Reeves, D. M.; Chodas, P. W.; Gates, M. M.; Johnson, L. N.; Ticker, R. L.

    2017-01-01

    Mission Description and Objectives: NASA's Asteroid Redirect Mission (ARM) consists of two mission segments: 1) the Asteroid Redirect Robotic Mission (ARRM), a robotic mission to visit a large (greater than approximately 100 meters diameter) near-Earth asteroid (NEA), collect a multi-ton boulder from its surface along with regolith samples, and return the asteroidal material to a stable orbit around the Moon; and 2) the Asteroid Redirect Crewed Mission (ARCM), in which astronauts will explore and investigate the boulder and return to Earth with samples. The ARRM is currently planned to launch at the end of 2021 and the ARCM is scheduled for late 2026.

  15. The asteroid lightcurve database

    Czech Academy of Sciences Publication Activity Database

    Warner, B. D.; Harris, A. W.; Pravec, Petr

    2009-01-01

    Roč. 202, č. 1 (2009), s. 134-146 ISSN 0019-1035 R&D Projects: GA ČR(CZ) GA205/05/0604 Institutional research plan: CEZ:AV0Z10030501 Keywords : asteroids * rotation * photometry Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics Impact factor: 3.340, year: 2009

  16. Asteroids, meteorites, and comets

    CERN Document Server

    Elkins-Tanton, Linda T

    2010-01-01

    Asteroids, Comets, and Meteorites provides students, researchers, and general readers with the most up-to-date information on this fascinating field. From the days of the dinosaurs to our modern environment, this book explores all aspects of these cosmic invaders.

  17. Impact-Actuated Digging Tool for Lunar Excavation Project

    Data.gov (United States)

    National Aeronautics and Space Administration — Honeybee Robotics proposes to develop a vacuum compatible, impact-actuated digging tool for the excavation of frozen and compacted regolith on the lunar surface and...

  18. Asteroid impact monitoring

    Directory of Open Access Journals (Sweden)

    Milani A.

    2006-01-01

    Full Text Available Some asteroids and comets with Earth-crossing orbit may impact our planet, thus we need to be able to identify the cases which could have a dangerous close approach within a century. This must be done as soon as such an asteroid is discovered, allowing for follow up observations which might contradict the impact possibility, and in the worst case to organize mitigation, possibly including deflection. The mathematical problem of predicting possible impacts, even with very low probabilities, has been solved by our group in the last few years. This paper presents the basic theory of these impact prediction, and discusses how they are practically used in the impact monitoring systems now operational, in particular the CLOMON2 robot of the Universities of Pisa and Valladolid.

  19. Asteroid Ida Rotation Sequence

    Science.gov (United States)

    1994-01-01

    This montage of 14 images (the time order is right to left, bottom to top) shows Ida as it appeared in the field of view of Galileo's camera on August 28, 1993. Asteroid Ida rotates once every 4 hours, 39 minutes and clockwise when viewed from above the north pole; these images cover about one Ida 'day.' This sequence has been used to create a 3-D model that shows Ida to be almost croissant shaped. The earliest view (lower right) was taken from a range of 240,000 kilometers (150,000 miles), 5.4 hours before closest approach. The asteroid Ida draws its name from mythology, in which the Greek god Zeus was raised by the nymph Ida.

  20. Silicates in Alien Asteroids

    Science.gov (United States)

    2009-01-01

    This plot of data from NASA's Spitzer Space Telescopes shows that asteroid dust around a dead 'white dwarf' star contains silicates a common mineral on Earth. The data were taken primarily by Spitzer's infrared spectrograph, an instrument that breaks light apart into its basic constituents. The yellow dots show averaged data from the spectrograph, while the orange triangles show older data from Spitzer's infrared array camera. The white dwarf is called GD 40.

  1. Modeling of Fragmentation of Asteroids

    Science.gov (United States)

    Agrawal, Parul; Prabhu, Dinesh K.; Carlozzi, Alexander; Hart, Kenneth; Bryson, Katie; Sears, Derek

    2015-01-01

    The objective of this study is to understand fragmentation and fracture of a given asteroid and mechanisms of break-up. The focus of the present work is to develop modeling techniques for stony asteroids in 10m-100m range to answer two questions: 1) What is the role of material makeup of an asteroid in the stress distribution? 2)How is stress distribution altered in the presence of pre-existing defects?

  2. Physical studies of asteroids XX - Photoelectric photometry of asteroids

    Science.gov (United States)

    Debehogne, H.; Lagerkvist, C.-I.; Magnusson, P.; Hahn, G.

    The asteroids 8 Flora, 69 Hesperia, 80 Sappho, 130 Elektra and 173 Ino were observed with the ESO 50 cm and the Danish 50 cm telescopes at ESO, Chile. Composite lightcurves from four nights are presented for the asteroids Sappho, Elektra and Ino. For 173 Ino an improved rotation period of 6.15 hours was determined.

  3. Photometry of Karin family asteroids

    NARCIS (Netherlands)

    Hahn, G.; Mottola, S.; Sen, A. K.; Harris, A. W.; Kührt, E.; Mueller, M.

    2006-01-01

    We have performed photometric observations in the V-band of two asteroids belonging to the Karin asteroid family, (11728) Einer and (93690) 2000 VE21 , using the 2-m Himalayan Chandra Telescope, Hanle and 2k ×4k pixels CCD imager. We obtained measurements during two nights (November 25 and 26, 2005)

  4. Asteroid electrostatic instrumentation and modelling

    Science.gov (United States)

    Aplin, K. L.; Bowles, N. E.; Urbak, E.; Keane, D.; Sawyer, E. C.

    2011-06-01

    Asteroid surface material is expected to become photoelectrically charged, and is likely to be transported through electrostatic levitation. Understanding any movement of the surface material is relevant to proposed space missions to return samples to Earth for detailed isotopic analysis. Motivated by preparations for the Marco Polo sample return mission, we present electrostatic modelling for a real asteroid, Itokawa, for which detailed shape information is available, and verify that charging effects are likely to be significant at the terminator and at the edges of shadow regions for the Marco Polo baseline asteroid, 1999JU3. We also describe the Asteroid Charge Experiment electric field instrumentation intended for Marco Polo. Finally, we find that the differing asteroid and spacecraft potentials on landing could perturb sample collection for the short landing time of 20min that is currently planned.

  5. Asteroid electrostatic instrumentation and modelling

    Energy Technology Data Exchange (ETDEWEB)

    Aplin, K L; Bowles, N E; Urbak, E [Department of Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH (United Kingdom); Keane, D; Sawyer, E C, E-mail: k.aplin1@physics.ox.ac.uk [RAL Space, R25, Harwell Oxford, Didcot OX11 0QX (United Kingdom)

    2011-06-23

    Asteroid surface material is expected to become photoelectrically charged, and is likely to be transported through electrostatic levitation. Understanding any movement of the surface material is relevant to proposed space missions to return samples to Earth for detailed isotopic analysis. Motivated by preparations for the Marco Polo sample return mission, we present electrostatic modelling for a real asteroid, Itokawa, for which detailed shape information is available, and verify that charging effects are likely to be significant at the terminator and at the edges of shadow regions for the Marco Polo baseline asteroid, 1999JU3. We also describe the Asteroid Charge Experiment electric field instrumentation intended for Marco Polo. Finally, we find that the differing asteroid and spacecraft potentials on landing could perturb sample collection for the short landing time of 20min that is currently planned.

  6. File list: His.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.50.AllAg.Intestine,_Small hg19 Histone Digestive tract Intestine, Small htt...p://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.50.AllAg.Intestine,_Small.bed ...

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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  13. File list: Pol.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.05.AllAg.Intestine,_Small hg19 RNA polymerase Digestive tract Intestine, Small... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.05.AllAg.Intestine,_Small.bed ...

  14. File list: His.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  15. File list: His.Dig.10.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  16. File list: His.Dig.10.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  17. File list: Unc.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  18. File list: Unc.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  19. File list: Unc.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  20. File list: Unc.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  1. File list: Pol.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.AllAg.Intestine,_Small mm9 RNA polymerase Digestive tract Intestine, Small... http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.20.AllAg.Intestine,_Small.bed ...

  2. File list: Pol.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  3. File list: Pol.Dig.10.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  4. File list: His.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  5. File list: His.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

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  6. File list: His.Dig.05.AllAg.Intestinal_adenoma [Chip-atlas[Archive

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  7. File list: His.Dig.10.AllAg.Intestinal_crypt [Chip-atlas[Archive

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  8. File list: Unc.Dig.50.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  9. File list: His.Dig.50.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  10. File list: Unc.Dig.20.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  11. Asteroid airburst altitude vs. strength

    Science.gov (United States)

    Robertson, D. K.; Wheeler, L.; Mathias, D.

    2016-12-01

    The entry and break-up of small asteroids were simulated with a hydrocode to examine the effect of strength, size, composition, entry angle, and speed on the resulting airburst. A strong asteroid, such as a monolithic boulder, structurally fail and deposit most of their energy around the altitude at which dynamic ram pressure exceeds the cohesive strength of the asteroid. A weaker asteroid, such as a loose rubble pile, will structurally fail at high altitude, but continue to fly through the atmosphere as a single unit until reaching lower altitudes where the increased aerodynamic pressure is sufficient to disrupt and disperse the rubble resulting in a flare. Airburst from weak asteroids consequently have a peak energy deposition at similar altitudes.This study focuses on small NEO asteroids which are likely to airburst rather than impact the ground where the damage created on the ground depends strongly on the altitude at which most of the energy is deposited in the atmosphere. The ability to accurately predict ground damage is useful in determining appropriate evacuation or shelter plans and emergency management. Airbursting asteroids are not a threat on a national level but can still cause a significant amount of local damage as demonstrated by the Chelyabinsk event where there was over $33 million worth of damage (1 billion roubles) and 1500 were injured by flying glass.

  12. Identification and Dynamical Properties of Asteroid Families

    OpenAIRE

    Nesvorny, D.; Broz, M.; Carruba, V.

    2015-01-01

    Asteroids formed in a dynamically quiescent disk but their orbits became gravitationally stirred enough by Jupiter to lead to high-speed collisions. As a result, many dozen large asteroids have been disrupted by impacts over the age of the Solar System, producing groups of fragments known as asteroid families. Here we explain how the asteroid families are identified, review their current inventory, and discuss how they can be used to get insights into long-term dynamics of main belt asteroids...

  13. Tectonism and Magmatism on Asteroids

    Science.gov (United States)

    Buczkowski, D. L.; Wyrick, D. Y.

    2015-10-01

    Linear features generally accepted as tectonic structures have been observed on several asteroids and their presence has implications for the internal structure, strength and evolution of these various bodies. Observations of several small bodies have identified different physical mechanisms by which linear features can be formed. Analysis shows that asteroid lineaments appear to have different origins. We also discuss the potential for volcanism and/or magmatism on asteroids, especially in regard to Vesta which, as a differentiated proto-planet,is a unique body with which to study the role that internal rheologies and structures play on surface features.

  14. Structural Stability of Asteroids

    Science.gov (United States)

    Hirabayashi, Toshi

    This thesis develops a technique for analyzing the internal structure of an irregularly shaped asteroid. This research focuses on asteroid (216) Kleopatra, a few-hundred-kilometer-sized main belt asteroid spinning about its maximum moment of inertia axis with a rotation period of 5.385 hours, to motivate the techniques. While Ostro et al. [117] reported its dog bone-like shape, estimation of its size has been actively discussed. There are at least three different size estimates: Ostro et al., Descamps et al., and Marchis et al. Descamps et al. reported that (216) Kleopatra has satellites and obtained the mass of this object. This research consists of determination of possible failure modes of (216) Kleopatra and its subsequent detailed stress analysis, with each part including an estimation of the internal structure. The first part of this thesis considers the failure mode of Kleopatra and evaluates the size from it. Possible failure modes are modeled as either material shedding from the surface or plastic failure of the internal structure. The surface shedding condition is met when a zero-velocity curve with the same energy level as one of the dynamical equilibrium points attaches to the surface at the slowest spin period, while the plastic failure condition is characterized by extending the theorem by Holsapple (2008) that the yield condition of the averaged stress over the whole volume is identical to an upper bound for global failure. The prime result shows that while surface shedding does not occur at the current spin period and thus cannot result in the formation of the satellites, the neck may be situated near its plastic deformation state. From the failure condition, we also find that the size estimated by Descamps et al. (2011) is the most structurally stable. The second part of this thesis discusses finite element analyses with an assumption of an elastic-perfectly plastic material and a non-associated flow rule. The yield condition is modeled as the

  15. Earthtech, Dig-Texas and Upward Bound: Outreach to At-Risk Students with Interdisciplinary STEM Activities

    Science.gov (United States)

    Olgin, J. G.; Güereque, M.; Pennington, D. D.; Everett, A.; Dixon, J. G.; Reyes, A.; Houser, P. I. Q.; Baker, J. A.; Stocks, E.; Ellins, K.

    2015-12-01

    The Geological Sciences department at the University of Texas at El Paso (UTEP) hosted the EarthTech outreach program - a one-week intensive summer camp for low-income, at-risk high school students. The EarthTech program engaged students in STEM activities from geological and environmental sciences. Developed and led by university student-mentors with guidance from a supervising faculty member, the course engaged Upward Bound students with lectures, interactive projects, and excursions to local ecological preserves and geological sites around El Paso, Texas. Topics covered plant and animal distribution and diversity, water and soil dynamics, evolution and paleontology, geohazards, and planetary science. Field trips were combined with hands-on activities, including activities from DIG Texas teaching modules. The NSF-funded DIG Texas Instructional Blueprints project is organizing vetted, high quality online educational resources and learning activities into teaching modules. The modules follow a storyline and demonstrate congruency with the Next Generation Science Standards. Selected DIG Texas resources were included in the daily curriculum to complement the field trip and other hands-on activities. EarthTech students created ESRI Online GIS story maps in which they showed the locations of the field trips, incorporated photographs they had taken, and provided written reflections about their camp experiences. The DIG Texas project evaluation collected survey and interview data from the university student mentors throughout the week to ascertain the efficacy of the program. This poster presentation will include an overview of the program, including examples of work and evaluation results.

  16. Solar wind tans young asteroids

    Science.gov (United States)

    2009-04-01

    A new study published in Nature this week reveals that asteroid surfaces age and redden much faster than previously thought -- in less than a million years, the blink of an eye for an asteroid. This study has finally confirmed that the solar wind is the most likely cause of very rapid space weathering in asteroids. This fundamental result will help astronomers relate the appearance of an asteroid to its actual history and identify any after effects of a catastrophic impact with another asteroid. ESO PR Photo 16a/09 Young Asteroids Look Old "Asteroids seem to get a ‘sun tan' very quickly," says lead author Pierre Vernazza. "But not, as for people, from an overdose of the Sun's ultraviolet radiation, but from the effects of its powerful wind." It has long been known that asteroid surfaces alter in appearance with time -- the observed asteroids are much redder than the interior of meteorites found on Earth [1] -- but the actual processes of this "space weathering" and the timescales involved were controversial. Thanks to observations of different families of asteroids [2] using ESO's New Technology Telescope at La Silla and the Very Large Telescope at Paranal, as well as telescopes in Spain and Hawaii, Vernazza's team have now solved the puzzle. When two asteroids collide, they create a family of fragments with "fresh" surfaces. The astronomers found that these newly exposed surfaces are quickly altered and change colour in less than a million years -- a very short time compared to the age of the Solar System. "The charged, fast moving particles in the solar wind damage the asteroid's surface at an amazing rate [3]", says Vernazza. Unlike human skin, which is damaged and aged by repeated overexposure to sunlight, it is, perhaps rather surprisingly, the first moments of exposure (on the timescale considered) -- the first million years -- that causes most of the aging in asteroids. By studying different families of asteroids, the team has also shown that an asteroid

  17. Near Earth Asteroid Scout Project

    Data.gov (United States)

    National Aeronautics and Space Administration — In considering targets for human asteroid missions, there are several major factors that will make a significant difference in assessment of mission risks that...

  18. Asteroid Ida and Its Moon

    Science.gov (United States)

    1994-01-01

    This is the first full picture showing both asteroid 243 Ida and its newly discovered moon to be transmitted to Earth from the National Aeronautics and Space Administration's (NASA's) Galileo spacecraft--the first conclusive evidence that natural satellites of asteroids exist. Ida, the large object, is about 56 kilometers (35 miles) long. Ida's natural satellite is the small object to the right. This portrait was taken by Galileo's charge-coupled device (CCD) camera on August 28, 1993, about 14 minutes before the Jupiter-bound spacecraft's closest approach to the asteroid, from a range of 10,870 kilometers (6,755 miles). Ida is a heavily cratered, irregularly shaped asteroid in the main asteroid belt between Mars and Jupiter--the 243rd asteroid to be discovered since the first was found at the beginning of the 19th century. Ida is a member of a group of asteroids called the Koronis family. The small satellite, which is about 1.5 kilometers (1 mile) across in this view, has yet to be given a name by astronomers. It has been provisionally designated '1993 (243) 1' by the International Astronomical Union. ('1993' denotes the year the picture was taken, '243' the asteroid number and '1' the fact that it is the first moon of Ida to be found.) Although appearing to be 'next' to Ida, the satellite is actually in the foreground, slightly closer to the spacecraft than Ida is. Combining this image with data from Galileo's near-infrared mapping spectrometer, the science team estimates that the satellite is about 100 kilometers (60 miles) away from the center of Ida. This image, which was taken through a green filter, is one of a six-frame series using different color filters. The spatial resolution in this image is about 100 meters (330 feet) per pixel.

  19. Seasonal effects on digging activity and burrow architecture in the ...

    African Journals Online (AJOL)

    Seasonal effects on digging activity and burrow architecture in the Cape dune mole-rat, Bathyergus suillus (Rodentia: Bathyergidae) ... not affect the geometry of the burrow system or tunnel dimensions in a climatically buffered environment. Key words: burrow structure, seasonality, sexual selection, mate choice, energetics.

  20. A Bug That Can Dig a Hole in the Stomach!

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 11; Issue 3. A Bug That Can Dig a Hole in the Stomach! - The Discovery that Revolutionized the Treatment of Peptic Ulcer. M E Sandeepa Dipshikha Chakravartty. General Article Volume 11 Issue 3 March 2006 pp 36-40 ...

  1. Cellinoid Shape Model for Asteroids

    Science.gov (United States)

    Lu, Xiaoping; Zhao, Haibin; You, Zhong

    2014-08-01

    The ellipsoid shape model plays an important role in physical research on asteroids. However, its symmetric structure cannot practically simulate real asteroids. This article applies a general shape model, named the cellinoid, instead of the ellipsoid model to simulate the asymmetric shape of asteroids. The cellinoid shape model consists of eight octants of ellipsoids having different semi-axes, with the constraint that adjacent octants must have two equal semi-axes in common. Totally, the shape of the cellinoid model is controlled by six parameters, not three as in the case of the shape of the ellipsoid. Using this shape model, the brightness of asteroids observed from the Earth can be fitted numerically by the surface triangularization of the cellinoid. The Levenberg-Marquardt algorithm is also employed here to solve a nonlinear minimization problem. Owing to the asymmetric shape of the cellinoid, the physical parameters of asteroids, such as the rotation period and pole orientation, can be fitted more accurately than in the case of the ellipsoid model. Finally, this is confirmed numerically by applying the shape to both synthetic light curves and real light curves of asteroids. Additionally, the center of mass and moment of inertia of the cellinoid are analyzed explicitly.

  2. [Impacts of digging Phascolosoma esculenta on the growth of mangrove Avicennia marina seedlings: a simulation study].

    Science.gov (United States)

    He, Qin-Fei; Fan, Hang-Qing; Mo, Zhu-Cheng; Wang, Xin; Shen, Wen-Hui

    2012-04-01

    Digging Phascolosoma esculenta to increase income is one of the main causes leading to the degradation of China mangroves. In order to understand the impact mechanisms of digging P. esculenta on the mangrove growth and to select indicators to evaluate the mangrove health, a simulative study was conducted to clarify the impacts of digging depth, radian, and frequency on the growth of 1-year old Avicennia marina seedlings, with the indices seedling height, basal diameter, single leaf area, specific leaf area, total biomass, and dead root dry mass measured. The results showed that digging activities decreased the increment of seedling height and basal diameter, single leaf area, specific leaf area, and total biomass significantly, and increased the dead root dry mass markedly. Digging depth and radian had obvious effects on the growth of A. marina seedlings, but digging frequency had minor effects. When the digging depth was radian was 5 cm, the damage was quite serious.

  3. Soils

    Science.gov (United States)

    Emily Moghaddas; Ken Hubbert

    2014-01-01

    When managing for resilient forests, each soil’s inherent capacity to resist and recover from changes in soil function should be evaluated relative to the anticipated extent and duration of soil disturbance. Application of several key principles will help ensure healthy, resilient soils: (1) minimize physical disturbance using guidelines tailored to specific soil types...

  4. Anatomy of an Asteroid Breakup

    Science.gov (United States)

    Kohler, Susanna

    2017-05-01

    A team of scientists has observed the breakup of an asteroid as it orbits the Sun. In a new study, they reveal what theyve learned from their ground- and space-based observations of this disintegration.These Hubble images show the fragments of R3 in higher resolution over the span of October 2013 to February 2014. [Jewitt et al. 2017]Observations of DisintegrationActive asteroids are objects that move on asteroid-like orbits while displaying comet-like behavior. The cause of their activity can vary ranging from outgassing as the asteroid heats up in its solar approach, to expelled debris from a collision, to the entire asteroid flying apart because its spinning too fast.Led by David Jewitt (University of California at Los Angeles), a team of scientists has analyzed observations of the disintegrating asteroid P/2013 R3. The observations span two years and were made by a number of telescopes, including Hubble, Keck (in Hawaii), Magellan (in Chile), and the Very Large Telescope (in Chile).A schematic diagram of the different fragments of R3 and how they relate to each other. Black numbers estimate the fragment separation velocities; red numbers estimate the separation date. [Jewitt et al. 2017]Jewitt and collaborators then used these observations and a bit of modeling to understand what asteroid R3 was like originally, what its pieces are doing now, and what caused it to break up.Cause of the BreakupThe team found that P/2013 R3 broke up into at least 13 pieces, the biggest of which was likely no more than 100-200 meters in size. The original asteroid was probably less than 400 m in radius.By measuring the velocities of the fragments in the various observations, Jewitt and collaborators were able to work backward to determine when each piece broke off. They found that the fragmentation process was spread out over the span of roughly 5 months suggesting that the asteroids breakup wasnt impact-related (otherwise the fragmentation would likely have been all at once

  5. The Rose Kennedy Greenway : a 30 acre green roof installation atop the Boston Big Dig

    Energy Technology Data Exchange (ETDEWEB)

    Walsh, D. [Copley Wolff Design Group, Boston, MA (United States)

    2006-07-01

    Boston's newly constructed Central Artery Tunnel (CAT) Project replaced a six-lane elevated highway with an eight-to-ten lane underground expressway directly beneath the existing road. The $14.6 billion dollar project has proven to be one of the largest, most technically and environmentally challenging infrastructure projects ever undertaken in the United States. It spans 7.8 miles of highway. The roof deck of the CAT project, commonly referred to as the Big Dig, will support a 30 parkway systems with a cross section typical of an intensive green roof. The 300 acre open urban space, formerly known as the Rose Kennedy Greenway, will include 45 parks and major public plazas. This paper reviewed the technology that supports the open space, with reference to the materials and techniques used in green roof projects, namely waterproofing, protection board, reservoir layers, planting medium, and plant material to support a layer of green over occupied spaces. The structural integrity of the tunnel decking allows for a wide variety of plant installations on the Big Dig. The installations range from open lawn areas with a 6 inch layer of planting medium. Planting beds for shrubs and perennials require up to 24 inches of planting medium. All areas over the tunnel are covered with enough structural soil to allow for root growth. All plant installations are irrigated with an underdrainage system connected to drain lines. Details of the structural soil material were presented along with a list of plants and trees species used in the landscape design. 8 figs.

  6. Asteroid Exploration and Exploitation

    Science.gov (United States)

    Lewis, John S.

    2006-01-01

    John S. Lewis is Professor of Planetary Sciences and Co-Director of the Space Engineering Research Center at the University of Arizona. He was previously a Professor of Planetary Sciences at MIT and Visiting Professor at the California Institute of Technology. Most recently, he was a Visiting Professor at Tsinghua University in Beijing for the 2005-2006 academic year. His research interests are related to the application of chemistry to astronomical problems, including the origin of the Solar System, the evolution of planetary atmospheres, the origin of organic matter in planetary environments, the chemical structure and history of icy satellites, the hazards of comet and asteroid bombardment of Earth, and the extraction, processing, and use of the energy and material resources of nearby space. He has served as member or Chairman of a wide variety of NASA and NAS advisory committees and review panels. He has written 17 books, including undergraduate and graduate level texts and popular science books, and has authored over 150 scientific publications.

  7. Excluding interlopers from asteroid families

    Science.gov (United States)

    Novakovic, B.; Radovic, V.

    2014-07-01

    Introduction: Asteroid families are believed to have originated from catastrophic collisions among asteroids. They are a very important subject of Solar System investigation, because practically any research topic carried out in asteroid-related science sooner or later encounters problems pertaining to asteroid families. One basic problem encountered when dealing with families is to determine reliably the list of its members, i.e. to reduce the number of interlopers as much as possible. This is an important problem, because many conclusions derived from analyses of the physical properties of family members must be necessarily based on firm and well established membership. However, as the number of known asteroids increases fast it becomes more and more difficult to obtain robust list of members of an asteroid family. To cope with these challenges we are proposing a new approach that may help to significantly reduce presence of interlopers among the family members. This method should be particularly useful once additional information become available, including primarily spectro-photometric data. This is exactly the kind of information that will be provided by Gaia. Metodology: Families (and their members) have been commonly identified by analysing the distribution of asteroids in the space of proper orbital elements, using the Hierarchical Clustering Method (HCM) [1]. A well-known drawback of the HCM based on the single linkage rule is the so-called chaining phenomenon: first concentrations naturally tend to incorporate nearby groups, forming a kind of 'chain'. Thus, any family membership obtained by the pure HCM must unavoidably include some interlopers. The method we are proposing here could be used to identify these interlopers, with its main advantage being an ability to significantly reduce the chaining effect. The method consists of three main steps. First we determine an asteroid family members by applying the HCM to the catalogue of proper elements obtained

  8. Asteroid Ida - Five Frame Mosaic

    Science.gov (United States)

    1993-01-01

    This view of the asteroid 243 Ida is a mosaic of five image frames acquired by the Galileo spacecraft's solid-state imaging system at ranges of 3,057 to 3,821 kilometers (1,900 to 2,375 miles) on August 28, 1993, about 3-1/2 minutes before the spacecraft made its closest approach to the asteroid. Galileo flew about 2,400 kilometers (1,500 miles) from Ida at a relative velocity of 12.4 km/sec (28,000 mph). Asteroid and spacecraft were 441 million kilometers (274 million miles) from the Sun. Ida is the second asteroid ever encountered by a spacecraft. It appears to be about 52 kilometers (32 miles) in length, more than twice as large as Gaspra, the first asteroid observed by Galileo in October 1991. Ida is an irregularly shaped asteroid placed by scientists in the S class (believed to be like stony or stony iron meteorites). It is a member of the Koronis family, presumed fragments left from the breakup of a precursor asteroid in a catastrophic collision. This view shows numerous craters, including many degraded craters larger than any seen on Gaspra. The extensive cratering seems to dispel theories about Ida's surface being geologically youthful. This view also seems to rule out the idea that Ida is a double body. The south pole is believed to be in the darkside near the middle of the asteroid. The camera's clear filter was used to produce this extremely sharp picture. Spatial resolution is 31 to 38 meters (roughly 100 feet) per pixel. A 30-frame mosaic was taken to assure capturing Ida; its position was somewhat uncertain before the Galileo encounter. Galileo shuttered and recorded a total of 150 images in order to capture Ida 21 different times during a five hour period (about one rotation of the asteroid). Color filters were used at many of these times to allow reconstruction of color images. Playback to Earth of the remaining images is planned for April through June 1994. The Galileo project, whose primary mission is the exploration of the Jupiter system in 1995

  9. Developing an Asteroid Rotational Theory

    Science.gov (United States)

    Geis, Gena; Williams, Miguel; Linder, Tyler; Pakey, Donald

    2018-01-01

    The goal of this project is to develop a theoretical asteroid rotational theory from first principles. Starting at first principles provides a firm foundation for computer simulations which can be used to analyze multiple variables at once such as size, rotation period, tensile strength, and density. The initial theory will be presented along with early models of applying the theory to the asteroid population. Early results confirm previous work by Pravec et al. (2002) that show the majority of the asteroids larger than 200m have negligible tensile strength and have spin rates close to their critical breakup point. Additionally, results show that an object with zero tensile strength has a maximum rotational rate determined by the object’s density, not size. Therefore, an iron asteroid with a density of 8000 kg/m^3 would have a minimum spin period of 1.16h if the only forces were gravitational and centrifugal. The short-term goal is to include material forces in the simulations to determine what tensile strength will allow the high spin rates of asteroids smaller than 150m.

  10. ASTEROID OCCULTATIONS V6.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all reported timings of observed asteroid occultation events as well as asteroid occultation axes derived from those timings by...

  11. ASTEROID OCCULTATIONS V2.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all reported timings of observed asteroid occultation events through Mar. 1, 2004, as well as asteroid occultation axes derived...

  12. ASTEROID PHOTOMETRIC CATALOG V1.0

    Data.gov (United States)

    National Aeronautics and Space Administration — The Asteroid Photometric Catalog (3rd update), Lagerkvist, et.al., 1993 [LAGERKVISTETAL1993], is a compilation of all asteroid lightcurve photometry published up to...

  13. ASTEROID FAMILY IDENTIFICATIONS V1.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This is a compilation of the family memberships of numbered asteroids in five different asteroid family analyses. These include the analyses of Zappala et al.,...

  14. ASTEROID PHOTOMETRIC CATALOG V1.1

    Data.gov (United States)

    National Aeronautics and Space Administration — The Asteroid Photometric Catalog (3rd update), Lagerkvist, et.al., 1993 [LAGERKVISTETAL1993], is a compilation of all asteroid lightcurve photometry published up to...

  15. ASTEROID OCCULTATIONS V4.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all reported timings of observed asteroid occultation events through Apr. 11, 2006, as well as asteroid occultation axes derived...

  16. ASTEROID POLARIMETRIC DATABASE V6.0

    Data.gov (United States)

    National Aeronautics and Space Administration — The Asteroid Polarimetric Database (APD) is a collection of asteroid polarimetry results compiled by D.F. Lupishko and S.V. Vasiliev of Karazin Kharkiv National...

  17. ASTEROID POLARIMETRIC DATABASE V5.0

    Data.gov (United States)

    National Aeronautics and Space Administration — The Asteroid Polarimetric Database (APD) is a collection of asteroid polarimetry results compiled by D.F. Lupishko of Karazin Kharkiv National University, Ukraine....

  18. ASTEROID POLARIMETRIC DATABASE V8.0

    Data.gov (United States)

    National Aeronautics and Space Administration — The Asteroid Polarimetric Database (APD) is a collection of asteroid polarimetry results compiled by D.F. Lupishko of Karazin Kharkiv National University, Ukraine....

  19. ASTEROID POLARIMETRIC DATABASE V7.0

    Data.gov (United States)

    National Aeronautics and Space Administration — The Asteroid Polarimetric Database (APD) is a collection of asteroid polarimetry results compiled by D.F. Lupishko and S.V. Vasiliev of Karazin Kharkiv National...

  20. Characterizing Asteroid Internal Structure Through Tectonic Analyses

    Science.gov (United States)

    Wyrick, D. Y.; Buczkowski, D. L.; Durda, D. D.

    2017-02-01

    Critical data gaps remain in characterizing the mechanical strength and internal structure of asteroids. Understanding asteroid internal coherency is required to develop effective mitigation, diversion, or destruction strategies against impact threat.

  1. Impacts into porous asteroids

    Science.gov (United States)

    Housen, Kevin R.; Sweet, William J.; Holsapple, Keith A.

    2018-01-01

    Many small bodies in the solar system have bulk density well below the solid density of the constituent mineral grains in their meteorite counterparts. Those low-density bodies undoubtedly have significant porosity, which is a key factor that affects the formation of impact craters. This paper summarizes the results of lab experiments in which materials with porosity ranging from 43% to 96% were impacted at ∼1800 m/s. The experiments were performed on a geotechnical centrifuge, in order to reproduce the lithostatic overburden stress and ejecta ballistics that occur in large-scale cratering events on asteroids or planetary satellites. Experiments performed at various accelerations, up to 514G, simulate the outcomes of impacts at size scales up to several tens of km in diameter. Our experiments show that an impact into a highly porous cohesionless material generates a large ovoid-shaped cavity, due to crushing by the outgoing shock. The cavity opens up to form a transient crater that grows until the material flow is arrested by gravity. The cavity then collapses to form the final crater. During collapse, finely crushed material that lines the cavity wall is carried down and collected in a localized region below the final crater floor. At large simulated sizes (high accelerations), most of the crater volume is formed by compaction, because growth of the transient crater is quickly arrested. Nearly all ejected material falls back into the crater, leaving the crater without an ejecta blanket. We find that such compaction cratering and suppression of the ejecta blankets occur for large craters on porous bodies when the ratio of the lithostatic stress at one crater depth to the crush strength of the target exceeds ∼0.005. The results are used to identify small solar system bodies on which compaction cratering likely occurs. A model is developed that gives the crater size and ejecta mass that would result for a specified impact into a porous object.

  2. ATLAS: Finding the Nearest Asteroids

    Science.gov (United States)

    Heinze, Aren; Tonry, John L.; Denneau, Larry; Stalder, Brian

    2017-10-01

    The Asteroid Terrestrial-impact Last Alert System (ATLAS) became fully operational in June 2017. Our two robotic, 0.5 meter telescopes survey the whole accessible sky every two nights from the Hawaiian mountains of Haleakala and Mauna Loa. With sensitivity to magnitude 19.5 over a field of 30 square degrees, we discover several bright near-Earth objects every month - particularly fast moving asteroids, which can slip by other surveys that scan the sky more slowly. Several important developments in 2017 have enhanced our sensitivity to small, nearby asteroids and potential impactors. We report on these developments - including optical adjustments, automated screening of detections, closer temporal spacing of images, and tolerance for large deviations from Great Circle motion on the sky - and we describe their effect in terms of measuring and discovering real objects.

  3. Asteroid Impact and Deflection Assessment (AIDA) Mission: The double Asteroid redirection test (DART)

    OpenAIRE

    Cheng, A F; Michel, P; Barnouin, O.S.; Campo-Bagatin, A.; Miller, P.; Pravec, P.; Richardson, D. C.; Rivkin, A. S.; Schwartz, S.R.; Stickel, A.; Tsiganis, K.; Ulamec, S.

    2016-01-01

    The Asteroid Impact & Deflection Assessment (AIDA) mission will be the first space experiment to demonstrate asteroid impact hazard mitigation by using a kinetic impactor. AIDA is a joint ESA-NASA cooperative project [1,2], that includes the ESA Asteroid Impact Mission (AIM) rendezvous spacecraft and the NASA Double Asteroid Redirection Test (DART) mission. The AIDA target is the near- Earth binary asteroid 65803 Didymos, which will make an unusually close approach to Earth in October, 20...

  4. Project RAMA: Reconstructing Asteroids Into Mechanical Automata

    Science.gov (United States)

    Dunn, Jason; Fagin, Max; Snyder, Michael; Joyce, Eric

    2017-01-01

    Many interesting ideas have been conceived for building space-based infrastructure in cislunar space. From O'Neill's space colonies, to solar power satellite farms, and even prospecting retrieved near earth asteroids. In all the scenarios, one thing remained fixed - the need for space resources at the outpost. To satisfy this need, O'Neill suggested an electromagnetic railgun to deliver resources from the lunar surface, while NASA's Asteroid Redirect Mission called for a solar electric tug to deliver asteroid materials from interplanetary space. At Made In Space, we propose an entirely new concept. One which is scalable, cost effective, and ensures that the abundant material wealth of the inner solar system becomes readily available to humankind in a nearly automated fashion. We propose the RAMA architecture, which turns asteroids into self-contained spacecraft capable of moving themselves back to cislunar space. The RAMA architecture is just as capable of transporting conventional-sized asteroids on the 10-meter length scale as transporting asteroids 100 meters or larger, making it the most versatile asteroid retrieval architecture in terms of retrieved-mass capability. This report describes the results of the Phase I study funded by the NASA NIAC program for Made In Space to establish the concept feasibility of using space manufacturing to convert asteroids into autonomous, mechanical spacecraft. Project RAMA, Reconstituting Asteroids into Mechanical Automata, is designed to leverage the future advances of additive manufacturing (AM), in-situ resource utilization (ISRU) and in-situ manufacturing (ISM) to realize enormous efficiencies in repeated asteroid redirect missions. A team of engineers at Made In Space performed the study work with consultation from the asteroid mining industry, academia, and NASA. Previous studies for asteroid retrieval have been constrained to studying only asteroids that are both large enough to be discovered, and small enough to be

  5. Asteroid Models from Sparse Photometry

    OpenAIRE

    Hanuš, Josef

    2013-01-01

    We investigate the photometric accuracy of the sparse data from astrometric surveys available on AstDyS. We use data from seven surveys with the best accu- racy in combination with relative lightcurves in the lightcurve inversion method to derive ∼300 new asteroid physical models (i.e., convex shapes and rotational states). We introduce several reliability tests that we use on all new asteroid mod- els. We investigate rotational properties of our MBAs sample (∼450 models here or previously de...

  6. Simultaneous Mass Determination for Gravitationally Coupled Asteroids

    Energy Technology Data Exchange (ETDEWEB)

    Baer, James [Private address, 3210 Apache Road, Pittsburgh, PA 15241 (United States); Chesley, Steven R., E-mail: jimbaer1@earthlink.net [Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109 (United States)

    2017-08-01

    The conventional least-squares asteroid mass determination algorithm allows us to solve for the mass of a large subject asteroid that is perturbing the trajectory of a smaller test asteroid. However, this algorithm is necessarily a first approximation, ignoring the possibility that the subject asteroid may itself be perturbed by the test asteroid, or that the encounter’s precise geometry may be entangled with encounters involving other asteroids. After reviewing the conventional algorithm, we use it to calculate the masses of 30 main-belt asteroids. Compared to our previous results, we find new mass estimates for eight asteroids (11 Parthenope, 27 Euterpe, 51 Neimausa, 76 Freia, 121 Hermione, 324 Bamberga, 476 Hedwig, and 532 Herculina) and significantly more precise estimates for six others (2 Pallas, 3 Juno, 4 Vesta, 9 Metis, 16 Psyche, and 88 Thisbe). However, we also find that the conventional algorithm yields questionable results in several gravitationally coupled cases. To address such cases, we describe a new algorithm that allows the epoch state vectors of the subject asteroids to be included as solve-for parameters, allowing for the simultaneous solution of the masses and epoch state vectors of multiple subject and test asteroids. We then apply this algorithm to the same 30 main-belt asteroids and conclude that mass determinations resulting from current and future high-precision astrometric sources (such as Gaia ) should conduct a thorough search for possible gravitational couplings and account for their effects.

  7. Asteroid Lightcurves from Etscorn Observatory

    Science.gov (United States)

    Klinglesmith, Daniel A., III; Hendrickx, Sebastian

    2018-01-01

    During 2017 August and September, we observed five spin-shape asteroids: 418 Alemannia, 1095 Tulipa, 2648 Owa, 3122 Florence, and 5040 Rabinowitz. The selections were by listed by Warner et al. (2017) in their regular MPB paper featuring photometric opportunities for the upcoming quarter.

  8. The empty primordial asteroid belt.

    Science.gov (United States)

    Raymond, Sean N; Izidoro, Andre

    2017-09-01

    The asteroid belt contains less than a thousandth of Earth's mass and is radially segregated, with S-types dominating the inner belt and C-types the outer belt. It is generally assumed that the belt formed with far more mass and was later strongly depleted. We show that the present-day asteroid belt is consistent with having formed empty, without any planetesimals between Mars and Jupiter's present-day orbits. This is consistent with models in which drifting dust is concentrated into an isolated annulus of terrestrial planetesimals. Gravitational scattering during terrestrial planet formation causes radial spreading, transporting planetesimals from inside 1 to 1.5 astronomical units out to the belt. Several times the total current mass in S-types is implanted, with a preference for the inner main belt. C-types are implanted from the outside, as the giant planets' gas accretion destabilizes nearby planetesimals and injects a fraction into the asteroid belt, preferentially in the outer main belt. These implantation mechanisms are simple by-products of terrestrial and giant planet formation. The asteroid belt may thus represent a repository for planetary leftovers that accreted across the solar system but not in the belt itself.

  9. NASA's Asteroid Redirect Mission (ARM)

    Science.gov (United States)

    Abell, Paul; Mazanek, Dan; Reeves, David; Naasz, Bo; Cichy, Benjamin

    2015-11-01

    The National Aeronautics and Space Administration (NASA) is developing a robotic mission to visit a large near-Earth asteroid (NEA), collect a multi-ton boulder from its surface, and redirect it into a stable orbit around the Moon. Once returned to cislunar space in the mid-2020s, astronauts will explore the boulder and return to Earth with samples. This Asteroid Redirect Mission (ARM) is part of NASA’s plan to advance the technologies, capabilities, and spaceflight experience needed for a human mission to the Martian system in the 2030s. Subsequent human and robotic missions to the asteroidal material would also be facilitated by its return to cislunar space. Although ARM is primarily a capability demonstration mission (i.e., technologies and associated operations), there exist significant opportunities to advance our knowledge of small bodies in the synergistic areas of science, planetary defense, asteroidal resources and in-situ resource utilization (ISRU), and capability and technology demonstrations. In order to maximize the knowledge return from the mission, NASA is organizing an ARM Investigation Team, which is being preceded by the Formulation Assessment and Support Team. These teams will be comprised of scientists, technologists, and other qualified and interested individuals to help plan the implementation and execution of ARM. An overview of robotic and crewed segments of ARM, including the mission requirements, NEA targets, and mission operations, will be provided along with a discussion of the potential opportunities associated with the mission.

  10. The Asteroid Redirect Mission (ARM)

    Science.gov (United States)

    Abell, Paul; Gates, Michele; Johnson, Lindley; Chodas, Paul; Mazanek, Dan; Reeves, David; Ticker, Ronald

    2016-07-01

    To achieve its long-term goal of sending humans to Mars, the National Aeronautics and Space Administration (NASA) plans to proceed in a series of incrementally more complex human spaceflight missions. Today, human flight experience extends only to Low-Earth Orbit (LEO), and should problems arise during a mission, the crew can return to Earth in a matter of minutes to hours. The next logical step for human spaceflight is to gain flight experience in the vicinity of the Moon. These cis-lunar missions provide a "proving ground" for the testing of systems and operations while still accommodating an emergency return path to the Earth that would last only several days. Cis-lunar mission experience will be essential for more ambitious human missions beyond the Earth-Moon system, which will require weeks, months, or even years of transit time. In addition, NASA has been given a Grand Challenge to find all asteroid threats to human populations and know what to do about them. Obtaining knowledge of asteroid physical properties combined with performing technology demonstrations for planetary defense provide much needed information to address the issue of future asteroid impacts on Earth. Hence the combined objectives of human exploration and planetary defense give a rationale for the Asteroid Re-direct Mission (ARM). Mission Description: NASA's ARM consists of two mission segments: 1) the Asteroid Redirect Robotic Mission (ARRM), the first robotic mission to visit a large (greater than ~100 m diameter) near-Earth asteroid (NEA), collect a multi-ton boulder from its surface along with regolith samples, demonstrate a planetary defense technique, and return the asteroidal material to a stable orbit around the Moon; and 2) the Asteroid Redirect Crewed Mission (ARCM), in which astronauts will take the Orion capsule to rendezvous and dock with the robotic vehicle, conduct multiple extravehicular activities to explore the boulder, and return to Earth with samples. NASA's proposed

  11. Asteroids. Prospective energy and material resources

    Energy Technology Data Exchange (ETDEWEB)

    Badescu, Viorel (ed.) [Bucharest Polytechnic Univ. (Romania). Candida Oancea Institute

    2013-11-01

    Recent research on Prospective Energy and Material Resources on Asteroids. Carefully edited book dedicated to Asteroids prospective energy and material resources. Written by leading experts in the field. The Earth has limited material and energy resources while these resources in space are virtually unlimited. Further development of humanity will require going beyond our planet and exploring of extraterrestrial resources and sources of unlimited power. Thus far, all missions to asteroids have been motivated by scientific exploration. However, given recent advancements in various space technologies, mining asteroids for resources is becoming ever more feasible. A significant portion of asteroids value is derived from their location; the required resources do not need to be lifted at a great expense from the surface of the Earth. Resources derived from Asteroid not only can be brought back to Earth but could also be used to sustain human exploration of space and permanent settlements in space. This book investigates asteroids' prospective energy and material resources. It is a collection of topics related to asteroid exploration, and utilization. It presents past and future technologies and solutions to old problems that could become reality in our life time. The book therefore is a great source of condensed information for specialists involved in current and impending asteroid-related activities and a good starting point for space researchers, inventors, technologists and potential investors. Written for researchers, engineers, and businessmen interested in asteroids' exploration and exploitation.

  12. Looking into the evolution of granular asteroids in the Solar System

    Directory of Open Access Journals (Sweden)

    Sánchez Paul

    2017-01-01

    Full Text Available By now it has been accepted that most of the small asteroids in the Solar System are granular aggregates kept together by gravitational and possibly, cohesive forces. These aggregates can form, deform and disrupt over millennia subjected to different internal and external factors that would ultimately determine how they evolve over time. Parameters such as porosity, cohesive and tensile strength, angles of friction, particle size distributions, stress states, heterogeneity and yield criteria among others, determine how these granular systems will react when subjected to different, changing, external factors. These external factors include solar photon momentum, gravitational tides, micro- and macro-impacts and are believed to have produced and shaped the current asteroid population. In our research we use a combination of Soil Mechanics theory, Soft-Sphere Discrete Element Method (SSDEM Simulations and Orbital Mechanics in order to understand how simulated, homogeneous and heterogeneous, ellipsoidal and spherical gravitational aggregates, a crude but useful representation of an asteroid, evolve when rotated to the point of disruption. Then, we compare our results to the shapes of observed asteroids as well as to the disruption patterns of a few active asteroids. Our results lead us to believe that the different shapes of observed asteroids as well as their unique disruption patterns could give us clues about their internal structure, strength and geophysical properties in general.

  13. Looking into the evolution of granular asteroids in the Solar System

    Science.gov (United States)

    Sánchez, Paul; Scheeres, Daniel; Hirabayashi, Masatoshi; Tardivel, Simon

    2017-06-01

    By now it has been accepted that most of the small asteroids in the Solar System are granular aggregates kept together by gravitational and possibly, cohesive forces. These aggregates can form, deform and disrupt over millennia subjected to different internal and external factors that would ultimately determine how they evolve over time. Parameters such as porosity, cohesive and tensile strength, angles of friction, particle size distributions, stress states, heterogeneity and yield criteria among others, determine how these granular systems will react when subjected to different, changing, external factors. These external factors include solar photon momentum, gravitational tides, micro- and macro-impacts and are believed to have produced and shaped the current asteroid population. In our research we use a combination of Soil Mechanics theory, Soft-Sphere Discrete Element Method (SSDEM) Simulations and Orbital Mechanics in order to understand how simulated, homogeneous and heterogeneous, ellipsoidal and spherical gravitational aggregates, a crude but useful representation of an asteroid, evolve when rotated to the point of disruption. Then, we compare our results to the shapes of observed asteroids as well as to the disruption patterns of a few active asteroids. Our results lead us to believe that the different shapes of observed asteroids as well as their unique disruption patterns could give us clues about their internal structure, strength and geophysical properties in general.

  14. File list: InP.Dig.50.AllAg.Intestinal_adenoma [Chip-atlas[Archive

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    Lifescience Database Archive (English)

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  1. File list: Unc.Dig.50.AllAg.Intestines [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.50.AllAg.Intestines mm9 Unclassified Digestive tract Intestines SRX112954,S...RX341758,SRX341757 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.50.AllAg.Intestines.bed ...

  2. File list: Pol.Dig.50.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.50.AllAg.Intestinal_villus mm9 RNA polymerase Digestive tract Intestinal vi...llus http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.50.AllAg.Intestinal_villus.bed ...

  3. File list: NoD.Dig.20.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.20.AllAg.Intestinal_crypt mm9 No description Digestive tract Intestinal cry...pt http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.20.AllAg.Intestinal_crypt.bed ...

  4. File list: Unc.Dig.10.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.10.AllAg.Intestinal_villus mm9 Unclassified Digestive tract Intestinal vill...us SRX365695 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.10.AllAg.Intestinal_villus.bed ...

  5. File list: DNS.Dig.20.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.20.AllAg.Intestinal_adenoma mm9 DNase-seq Digestive tract Intestinal adenom...a http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.20.AllAg.Intestinal_adenoma.bed ...

  6. File list: Pol.Dig.05.AllAg.Intestines [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.05.AllAg.Intestines mm9 RNA polymerase Digestive tract Intestines SRX112957...,SRX143802 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.05.AllAg.Intestines.bed ...

  7. File list: InP.Dig.10.AllAg.Intestines [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.10.AllAg.Intestines mm9 Input control Digestive tract Intestines ERX040308,...9,ERX040286,ERX040293,ERX040301,SRX1431657,ERX040282,ERX040313,ERX040304,ERX040284 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.10.AllAg.Intestines.bed ...

  8. File list: Oth.Dig.05.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.AllAg.Intestinal_crypt mm9 TFs and others Digestive tract Intestinal cry...pt SRX871676,SRX871675,SRX871671,SRX871672 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.05.AllAg.Intestinal_crypt.bed ...

  9. File list: Pol.Dig.10.AllAg.Intestines [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.10.AllAg.Intestines mm9 RNA polymerase Digestive tract Intestines SRX112957...,SRX143802 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.10.AllAg.Intestines.bed ...

  10. File list: Pol.Dig.50.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.50.AllAg.Intestinal_adenoma mm9 RNA polymerase Digestive tract Intestinal a...denoma http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.50.AllAg.Intestinal_adenoma.bed ...

  11. File list: ALL.Dig.10.AllAg.Intestines [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.10.AllAg.Intestines mm9 All antigens Digestive tract Intestines ERX040305,S...40301,SRX1431657,ERX040282,SRX185790,ERX040313,ERX040304,ERX421330,ERX040284 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.10.AllAg.Intestines.bed ...

  12. File list: InP.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.AllAg.Intestine,_Small hg19 Input control Digestive tract Intestine, Sma...ll http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.05.AllAg.Intestine,_Small.bed ...

  13. File list: Unc.Dig.20.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.20.AllAg.Intestinal_villus mm9 Unclassified Digestive tract Intestinal vill...us SRX365695 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.20.AllAg.Intestinal_villus.bed ...

  14. File list: DNS.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.20.AllAg.Intestine,_Small mm9 DNase-seq Digestive tract Intestine, Small ht...tp://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.20.AllAg.Intestine,_Small.bed ...

  15. File list: ALL.Dig.20.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.20.AllAg.Intestinal_crypt mm9 All antigens Digestive tract Intestinal crypt... SRX871676,SRX871672,SRX871675,SRX871671 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.20.AllAg.Intestinal_crypt.bed ...

  16. File list: NoD.Dig.10.AllAg.Intestines [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.AllAg.Intestines mm9 No description Digestive tract Intestines ERX421334...,ERX421319,ERX421333,ERX421323,ERX421324,ERX421320,ERX421321,ERX421336,ERX421330 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.10.AllAg.Intestines.bed ...

  17. File list: ALL.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.20.AllAg.Intestine,_Small mm9 All antigens Digestive tract Intestine, Small...1,SRX885794,SRX885795 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.20.AllAg.Intestine,_Small.bed ...

  18. File list: Oth.Dig.20.AllAg.Intestines [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.AllAg.Intestines mm9 TFs and others Digestive tract Intestines SRX143801...,SRX1431656 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.20.AllAg.Intestines.bed ...

  19. File list: NoD.Dig.50.AllAg.Intestines [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.50.AllAg.Intestines mm9 No description Digestive tract Intestines ERX421319...,ERX421334,ERX421333,ERX421323,ERX421324,ERX421320,ERX421321,ERX421336,ERX421330 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.50.AllAg.Intestines.bed ...

  20. File list: InP.Dig.05.AllAg.Intestines [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.AllAg.Intestines mm9 Input control Digestive tract Intestines ERX040294,...0,ERX040282,ERX040304,ERX040288,ERX040301,ERX040313,SRX1431657,ERX040293,ERX040284 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.05.AllAg.Intestines.bed ...

  1. File list: Oth.Dig.10.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.Intestinal_stem_cells mm9 TFs and others Digestive tract Intestina...l stem cells SRX1141904,SRX856961,SRX1141903 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.10.AllAg.Intestinal_stem_cells.bed ...

  2. File list: Oth.Dig.20.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.AllAg.Intestinal_stem_cells mm9 TFs and others Digestive tract Intestina...l stem cells SRX856961,SRX1141904,SRX1141903 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.20.AllAg.Intestinal_stem_cells.bed ...

  3. File list: Pol.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.AllAg.Intestine,_Small hg19 RNA polymerase Digestive tract Intestine, Sm...all http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.20.AllAg.Intestine,_Small.bed ...

  4. File list: Oth.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.AllAg.Intestine,_Small hg19 TFs and others Digestive tract Intestine, Sm...all http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.50.AllAg.Intestine,_Small.bed ...

  5. File list: Oth.Dig.20.Epitope_tags.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.Epitope_tags.AllCell mm9 TFs and others Epitope tags Digestive tract SRX...365692 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.20.Epitope_tags.AllCell.bed ...

  6. File list: Oth.Dig.05.Epitope_tags.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.Epitope_tags.AllCell mm9 TFs and others Epitope tags Digestive tract SRX...365692 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.05.Epitope_tags.AllCell.bed ...

  7. File list: Oth.Dig.10.Epitope_tags.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.Epitope_tags.AllCell mm9 TFs and others Epitope tags Digestive tract SRX...365692 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.10.Epitope_tags.AllCell.bed ...

  8. File list: NoD.Dig.50.NA.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.50.NA.AllCell mm9 No description NA Digestive tract ERX421319,ERX421334,ERX...RX161578,ERX161582,ERX161581,ERX421330 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.50.NA.AllCell.bed ...

  9. File list: NoD.Dig.10.NA.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.NA.AllCell hg19 No description NA Digestive tract SRX335279,SRX335159,SR...73,SRX335328 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.10.NA.AllCell.bed ...

  10. File list: NoD.Dig.10.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.AllAg.Colon hg19 No description Digestive tract Colon SRX213493,SRX21349...642,SRX213500,SRX157631,SRX157638,SRX142120,SRX263914,SRX157645,SRX136955 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.10.AllAg.Colon.bed ...

  11. File list: InP.Dig.05.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.AllAg.Colon mm9 Input control Digestive tract Colon SRX376981,SRX376980,...SRX276118,SRX376973 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.05.AllAg.Colon.bed ...

  12. File list: DNS.Dig.05.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.05.AllAg.Colon hg19 DNase-seq Digestive tract Colon SRX100984,SRX089259,SRX...RX204363,SRX089272,SRX055154 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.05.AllAg.Colon.bed ...

  13. File list: ALL.Dig.10.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.10.AllAg.Colon hg19 All antigens Digestive tract Colon SRX213493,SRX213496,...78,SRX142120,SRX263914,SRX157645,SRX136955,SRX055154,SRX188965 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.10.AllAg.Colon.bed ...

  14. File list: His.Dig.50.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.50.AllAg.Colon mm9 Histone Digestive tract Colon SRX378043,SRX376977,SRX376...76114,SRX376978,SRX378044 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.50.AllAg.Colon.bed ...

  15. File list: NoD.Dig.05.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.05.AllAg.Colon mm9 No description Digestive tract Colon ERX161580,ERX161579...,ERX161583,ERX161584,ERX161581,ERX161582,ERX161578,ERX161577 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.05.AllAg.Colon.bed ...

  16. File list: NoD.Dig.20.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.20.AllAg.Colon mm9 No description Digestive tract Colon ERX161584,ERX161581...,ERX161582,ERX161580,ERX161583,ERX161579,ERX161577,ERX161578 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.20.AllAg.Colon.bed ...

  17. File list: DNS.Dig.20.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.20.AllAg.Colon hg19 DNase-seq Digestive tract Colon SRX089252,SRX100958,SRX...RX089272,SRX055159,SRX055154 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.20.AllAg.Colon.bed ...

  18. File list: NoD.Dig.50.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.50.AllAg.Colon mm9 No description Digestive tract Colon ERX161584,ERX161580...,ERX161583,ERX161579,ERX161577,ERX161578,ERX161582,ERX161581 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.50.AllAg.Colon.bed ...

  19. File list: NoD.Dig.20.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.20.AllAg.Colon hg19 No description Digestive tract Colon SRX213493,SRX26843...504,SRX213500,SRX142120,SRX263914,SRX157645,SRX136955,SRX157642,SRX268430 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.20.AllAg.Colon.bed ...

  20. File list: DNS.Dig.50.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.50.AllAg.Colon hg19 DNase-seq Digestive tract Colon SRX089252,SRX100958,SRX...RX089272,SRX055159,SRX055154 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.50.AllAg.Colon.bed ...

  1. File list: InP.Dig.10.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.10.AllAg.Colon mm9 Input control Digestive tract Colon SRX276118,SRX376973,...SRX376980,SRX376981 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.10.AllAg.Colon.bed ...

  2. File list: NoD.Dig.05.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.05.AllAg.Colon hg19 No description Digestive tract Colon SRX213493,SRX21349...642,SRX268430,SRX157631,SRX157638,SRX142120,SRX136955,SRX157645,SRX263914 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.05.AllAg.Colon.bed ...

  3. File list: NoD.Dig.10.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.AllAg.Colon mm9 No description Digestive tract Colon ERX161580,ERX161579...,ERX161584,ERX161583,ERX161581,ERX161582,ERX161577,ERX161578 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.10.AllAg.Colon.bed ...

  4. File list: ALL.Dig.20.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.20.AllAg.Colon hg19 All antigens Digestive tract Colon SRX213493,SRX268431,...45,SRX055159,SRX136955,SRX157642,SRX188965,SRX055154,SRX268430 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.20.AllAg.Colon.bed ...

  5. File list: His.Dig.20.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.20.AllAg.Colon mm9 Histone Digestive tract Colon SRX378043,SRX276117,SRX376...76115,SRX276114,SRX376978 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.20.AllAg.Colon.bed ...

  6. File list: DNS.Dig.10.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.10.AllAg.Colon hg19 DNase-seq Digestive tract Colon SRX100984,SRX089252,SRX...RX089272,SRX055159,SRX055154 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.10.AllAg.Colon.bed ...

  7. File list: InP.Dig.50.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.50.AllAg.Colon mm9 Input control Digestive tract Colon SRX276118,SRX376980,...SRX376981,SRX376973 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.50.AllAg.Colon.bed ...

  8. File list: His.Dig.10.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.10.AllAg.Colon mm9 Histone Digestive tract Colon SRX376971,SRX376972,SRX376...76975,SRX276115,SRX276114 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.10.AllAg.Colon.bed ...

  9. File list: His.Dig.05.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.05.AllAg.Colon mm9 Histone Digestive tract Colon SRX376971,SRX376977,SRX376...76116,SRX376970,SRX276114 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.05.AllAg.Colon.bed ...

  10. File list: NoD.Dig.50.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.50.AllAg.Colon hg19 No description Digestive tract Colon SRX213493,SRX26843...504,SRX347282,SRX157642,SRX142120,SRX157634,SRX157641,SRX136955,SRX268430 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.50.AllAg.Colon.bed ...

  11. File list: ALL.Dig.05.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.05.AllAg.Colon hg19 All antigens Digestive tract Colon SRX213493,SRX213496,...38,SRX142120,SRX863778,SRX055154,SRX136955,SRX157645,SRX263914 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.05.AllAg.Colon.bed ...

  12. File list: ALL.Dig.50.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.Colon hg19 All antigens Digestive tract Colon SRX213493,SRX268431,...20,SRX157634,SRX157641,SRX136955,SRX188965,SRX268430,SRX863778 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.50.AllAg.Colon.bed ...

  13. File list: ALL.Dig.50.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.Intestinal_adenoma mm9 All antigens Digestive tract Intestinal ade...noma SRX648718,SRX648717 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.50.AllAg.Intestinal_adenoma.bed ...

  14. File list: Pol.Dig.05.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.05.AllAg.Intestinal_stem_cells mm9 RNA polymerase Digestive tract Intestina...l stem cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.05.AllAg.Intestinal_stem_cells.bed ...

  15. File list: Oth.Dig.50.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.AllAg.Intestinal_villus mm9 TFs and others Digestive tract Intestinal vi...X112502 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.50.AllAg.Intestinal_villus.bed ...

  16. File list: DNS.Dig.10.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.10.AllAg.Intestine,_Small mm9 DNase-seq Digestive tract Intestine, Small ht...tp://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.10.AllAg.Intestine,_Small.bed ...

  17. File list: Pol.Dig.20.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.AllAg.Intestinal_crypt mm9 RNA polymerase Digestive tract Intestinal cry...pt http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.20.AllAg.Intestinal_crypt.bed ...

  18. File list: NoD.Dig.05.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.05.AllAg.Intestinal_crypt mm9 No description Digestive tract Intestinal cry...pt http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.05.AllAg.Intestinal_crypt.bed ...

  19. File list: DNS.Dig.50.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.50.AllAg.Intestinal_stem_cells mm9 DNase-seq Digestive tract Intestinal ste...m cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.50.AllAg.Intestinal_stem_cells.bed ...

  20. File list: NoD.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.50.AllAg.Intestine,_Small mm9 No description Digestive tract Intestine, Sma...ll http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.50.AllAg.Intestine,_Small.bed ...

  1. File list: DNS.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.05.AllAg.Intestine,_Small mm9 DNase-seq Digestive tract Intestine, Small ht...tp://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.05.AllAg.Intestine,_Small.bed ...

  2. File list: Unc.Dig.50.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.50.AllAg.Intestinal_stem_cells mm9 Unclassified Digestive tract Intestinal stem... cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.50.AllAg.Intestinal_stem_cells.bed ...

  3. File list: NoD.Dig.50.AllAg.Esophagus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.50.AllAg.Esophagus hg19 No description Digestive tract Esophagus SRX190764,...0 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.50.AllAg.Esophagus.bed ...

  4. File list: NoD.Dig.20.AllAg.Esophagus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.20.AllAg.Esophagus hg19 No description Digestive tract Esophagus SRX190764,...0 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.20.AllAg.Esophagus.bed ...

  5. File list: NoD.Dig.10.AllAg.Esophagus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.AllAg.Esophagus hg19 No description Digestive tract Esophagus SRX136969,...0 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.10.AllAg.Esophagus.bed ...

  6. File list: NoD.Dig.05.AllAg.Esophagus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.05.AllAg.Esophagus hg19 No description Digestive tract Esophagus SRX134731,...5 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.05.AllAg.Esophagus.bed ...

  7. File list: ALL.Dig.50.AllAg.Gastric_tumor [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.Gastric_tumor mm9 All antigens Digestive tract Gastric tumor SRX31...5102,SRX315096,SRX315100,SRX315094,SRX315095,SRX315101 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.50.AllAg.Gastric_tumor.bed ...

  8. File list: ALL.Dig.05.AllAg.Gastric_tumor [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.05.AllAg.Gastric_tumor mm9 All antigens Digestive tract Gastric tumor SRX31...5102,SRX315095,SRX315094,SRX315096,SRX315101,SRX315100 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.05.AllAg.Gastric_tumor.bed ...

  9. File list: Oth.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.AllAg.Intestine,_Small mm9 TFs and others Digestive tract Intestine, Small...,SRX885790,SRX885799,SRX885798 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.20.AllAg.Intestine,_Small.bed ...

  10. File list: InP.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.50.AllAg.Intestine,_Small hg19 Input control Digestive tract Intestine, Small... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.50.AllAg.Intestine,_Small.bed ...

  11. File list: NoD.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.05.AllAg.Intestine,_Small mm9 No description Digestive tract Intestine, Small... http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.05.AllAg.Intestine,_Small.bed ...

  12. File list: DNS.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.50.AllAg.Intestine,_Small hg19 DNase-seq Digestive tract Intestine, Small S...,SRX201835,SRX252605,SRX201814,SRX055194,SRX055160 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.50.AllAg.Intestine,_Small.bed ...

  13. File list: DNS.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.20.AllAg.Intestine,_Small hg19 DNase-seq Digestive tract Intestine, Small S...,SRX100957,SRX201835,SRX252605,SRX201814,SRX055194 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.20.AllAg.Intestine,_Small.bed ...

  14. File list: NoD.Dig.10.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.AllAg.Intestine,_Small mm9 No description Digestive tract Intestine, Small... http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.10.AllAg.Intestine,_Small.bed ...

  15. File list: Oth.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.AllAg.Intestine,_Small mm9 TFs and others Digestive tract Intestine, Small...,SRX885790,SRX885799,SRX885798 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.50.AllAg.Intestine,_Small.bed ...

  16. File list: Oth.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.AllAg.Intestine,_Small hg19 TFs and others Digestive tract Intestine, Small... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.20.AllAg.Intestine,_Small.bed ...

  17. File list: DNS.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.05.AllAg.Intestine,_Small hg19 DNase-seq Digestive tract Intestine, Small S...,SRX201814,SRX055194,SRX100957,SRX201835,SRX252605 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.05.AllAg.Intestine,_Small.bed ...

  18. File list: Oth.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.AllAg.Intestine,_Small mm9 TFs and others Digestive tract Intestine, Small...,SRX885799,SRX885798,SRX885790 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.05.AllAg.Intestine,_Small.bed ...

  19. File list: ALL.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.05.AllAg.Intestine,_Small mm9 All antigens Digestive tract Intestine, Small...7,SRX885796,SRX885801 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.05.AllAg.Intestine,_Small.bed ...

  20. File list: Oth.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.AllAg.Intestine,_Small hg19 TFs and others Digestive tract Intestine, Small... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.05.AllAg.Intestine,_Small.bed ...

  1. File list: NoD.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.20.AllAg.Intestine,_Small mm9 No description Digestive tract Intestine, Small... http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.20.AllAg.Intestine,_Small.bed ...

  2. File list: Oth.Dig.10.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.Intestine,_Small mm9 TFs and others Digestive tract Intestine, Small...,SRX885790,SRX885798,SRX885799 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.10.AllAg.Intestine,_Small.bed ...

  3. File list: InP.Dig.10.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.10.AllAg.Intestine,_Small mm9 Input control Digestive tract Intestine, Small...//dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.10.AllAg.Intestine,_Small.bed ...

  4. File list: NoD.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.20.AllAg.Intestine,_Small hg19 No description Digestive tract Intestine, Small...42119,SRX263903,SRX347272,SRX134745,SRX190768,SRX213497,SRX263906,SRX157637,SRX136956 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.20.AllAg.Intestine,_Small.bed ...

  5. File list: InP.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.AllAg.Intestine,_Small mm9 Input control Digestive tract Intestine, Small...//dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.05.AllAg.Intestine,_Small.bed ...

  6. File list: ALL.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.20.AllAg.Intestine,_Small hg19 All antigens Digestive tract Intestine, Small...0768,SRX213497,SRX055194,SRX263906,SRX157637,SRX136956 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.20.AllAg.Intestine,_Small.bed ...

  7. File list: InP.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.20.AllAg.Intestine,_Small hg19 Input control Digestive tract Intestine, Small... http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.20.AllAg.Intestine,_Small.bed ...

  8. File list: DNS.Dig.10.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.10.AllAg.Intestine,_Small hg19 DNase-seq Digestive tract Intestine, Small S...,SRX201835,SRX100957,SRX252605,SRX201814,SRX055194 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.10.AllAg.Intestine,_Small.bed ...

  9. File list: ALL.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.Intestine,_Small hg19 All antigens Digestive tract Intestine, Small...2119,SRX263903,SRX263906,SRX136956,SRX213497,SRX347272 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.50.AllAg.Intestine,_Small.bed ...

  10. File list: NoD.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.50.AllAg.Intestine,_Small hg19 No description Digestive tract Intestine, Small...90768,SRX134745,SRX157637,SRX142119,SRX263903,SRX263906,SRX136956,SRX213497,SRX347272 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.50.AllAg.Intestine,_Small.bed ...

  11. File list: InP.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.50.AllAg.Intestine,_Small mm9 Input control Digestive tract Intestine, Small...//dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.50.AllAg.Intestine,_Small.bed ...

  12. File list: ALL.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.05.AllAg.Intestine,_Small hg19 All antigens Digestive tract Intestine, Small...3916,SRX263903,SRX213497,SRX347272,SRX142119,SRX263906 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.05.AllAg.Intestine,_Small.bed ...

  13. File list: NoD.Dig.05.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.05.AllAg.Intestine,_Small hg19 No description Digestive tract Intestine, Small...36956,SRX157637,SRX190797,SRX263916,SRX263903,SRX213497,SRX347272,SRX142119,SRX263906 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.05.AllAg.Intestine,_Small.bed ...

  14. File list: InP.Dig.20.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.20.AllAg.Intestine,_Small mm9 Input control Digestive tract Intestine, Small...//dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.20.AllAg.Intestine,_Small.bed ...

  15. File list: ALL.Dig.10.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.10.AllAg.Intestine,_Small hg19 All antigens Digestive tract Intestine, Small...7272,SRX142119,SRX157637,SRX263906,SRX136956,SRX213497 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.10.AllAg.Intestine,_Small.bed ...

  16. File list: NoD.Dig.10.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.AllAg.Intestine,_Small hg19 No description Digestive tract Intestine, Small...90797,SRX263903,SRX263916,SRX347272,SRX142119,SRX157637,SRX263906,SRX136956,SRX213497 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.10.AllAg.Intestine,_Small.bed ...

  17. File list: ALL.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.Intestine,_Small mm9 All antigens Digestive tract Intestine, Small...4,SRX885795,SRX885789 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.50.AllAg.Intestine,_Small.bed ...

  18. File list: DNS.Dig.50.AllAg.Intestine,_Small [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.50.AllAg.Intestine,_Small mm9 DNase-seq Digestive tract Intestine, Small ht...tp://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.50.AllAg.Intestine,_Small.bed ...

  19. File list: Unc.Dig.20.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.20.AllAg.Colon_cancer hg19 Unclassified Digestive tract Colon cancer SRX115...0169,SRX1150170,SRX124703 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Unc.Dig.20.AllAg.Colon_cancer.bed ...

  20. File list: Unc.Dig.50.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.50.AllAg.Colon_cancer hg19 Unclassified Digestive tract Colon cancer SRX115...0169,SRX1150170,SRX124703 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Unc.Dig.50.AllAg.Colon_cancer.bed ...

  1. File list: Oth.Dig.20.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.AllAg.Colon_cancer hg19 TFs and others Digestive tract Colon cancer SRX1...55772,SRX155773,SRX155775,SRX155776 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.20.AllAg.Colon_cancer.bed ...

  2. File list: Oth.Dig.05.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.AllAg.Colon_cancer hg19 TFs and others Digestive tract Colon cancer SRX1...55772,SRX155773,SRX155775,SRX155776 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.05.AllAg.Colon_cancer.bed ...

  3. File list: InP.Dig.10.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.10.AllAg.Colon_cancer hg19 Input control Digestive tract Colon cancer SRX12...155774,SRX625671,SRX155777 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.10.AllAg.Colon_cancer.bed ...

  4. File list: Oth.Dig.50.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.AllAg.Colon_cancer hg19 TFs and others Digestive tract Colon cancer SRX1...55772,SRX155775,SRX155773,SRX155776 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.50.AllAg.Colon_cancer.bed ...

  5. File list: Unc.Dig.05.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.05.AllAg.Colon_cancer hg19 Unclassified Digestive tract Colon cancer SRX115...0169,SRX1150170,SRX124703 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Unc.Dig.05.AllAg.Colon_cancer.bed ...

  6. File list: Oth.Dig.10.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.Colon_cancer hg19 TFs and others Digestive tract Colon cancer SRX1...55772,SRX155775,SRX155773,SRX155776 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.AllAg.Colon_cancer.bed ...

  7. File list: Unc.Dig.10.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.10.AllAg.Colon_cancer hg19 Unclassified Digestive tract Colon cancer SRX115...0169,SRX124703,SRX1150170 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Unc.Dig.10.AllAg.Colon_cancer.bed ...

  8. File list: InP.Dig.50.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.50.AllAg.Colon_cancer hg19 Input control Digestive tract Colon cancer SRX12...155774,SRX124693,SRX124698 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.50.AllAg.Colon_cancer.bed ...

  9. File list: InP.Dig.05.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.AllAg.Colon_cancer hg19 Input control Digestive tract Colon cancer SRX12...124693,SRX124695,SRX124694 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.05.AllAg.Colon_cancer.bed ...

  10. File list: InP.Dig.20.AllAg.Colon_cancer [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.20.AllAg.Colon_cancer hg19 Input control Digestive tract Colon cancer SRX12...124693,SRX124697,SRX124698 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.20.AllAg.Colon_cancer.bed ...

  11. File list: NoD.Dig.20.NA.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.20.NA.AllCell hg19 No description NA Digestive tract SRX335279,SRX335159,SR...28,SRX268430 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.20.NA.AllCell.bed ...

  12. File list: NoD.Dig.50.NA.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.50.NA.AllCell hg19 No description NA Digestive tract SRX335279,SRX335159,SR...00,SRX335150 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.50.NA.AllCell.bed ...

  13. File list: Unc.Dig.05.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.05.AllAg.Gastric_primary_sample hg19 Unclassified Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Unc.Dig.05.AllAg.Gastric_primary_sample.bed ...

  14. File list: DNS.Dig.05.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.05.AllAg.Gastric_primary_sample hg19 DNase-seq Digestive tract Gastric primary... sample SRX201807,SRX201812 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.05.AllAg.Gastric_primary_sample.bed ...

  15. File list: Oth.Dig.50.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.AllAg.Gastric_primary_sample hg19 TFs and others Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.50.AllAg.Gastric_primary_sample.bed ...

  16. File list: Pol.Dig.20.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.AllAg.Gastric_primary_sample hg19 RNA polymerase Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.20.AllAg.Gastric_primary_sample.bed ...

  17. File list: His.Dig.10.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.10.AllAg.Gastric_primary_sample hg19 Histone Digestive tract Gastric primary...095,SRX369094,SRX369099 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.10.AllAg.Gastric_primary_sample.bed ...

  18. File list: His.Dig.05.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.05.AllAg.Gastric_primary_sample hg19 Histone Digestive tract Gastric primary...105,SRX369094,SRX369095 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.05.AllAg.Gastric_primary_sample.bed ...

  19. File list: Unc.Dig.20.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.20.AllAg.Gastric_primary_sample hg19 Unclassified Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Unc.Dig.20.AllAg.Gastric_primary_sample.bed ...

  20. File list: His.Dig.20.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.20.AllAg.Gastric_primary_sample hg19 Histone Digestive tract Gastric primary...096,SRX369094,SRX369095 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.20.AllAg.Gastric_primary_sample.bed ...

  1. File list: DNS.Dig.20.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.20.AllAg.Gastric_primary_sample hg19 DNase-seq Digestive tract Gastric primary... sample SRX201807,SRX201812 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.20.AllAg.Gastric_primary_sample.bed ...

  2. File list: Oth.Dig.05.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.AllAg.Gastric_primary_sample hg19 TFs and others Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.05.AllAg.Gastric_primary_sample.bed ...

  3. File list: Unc.Dig.50.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.50.AllAg.Gastric_primary_sample hg19 Unclassified Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Unc.Dig.50.AllAg.Gastric_primary_sample.bed ...

  4. File list: DNS.Dig.10.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.10.AllAg.Gastric_primary_sample hg19 DNase-seq Digestive tract Gastric primary... sample SRX201807,SRX201812 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.10.AllAg.Gastric_primary_sample.bed ...

  5. File list: Oth.Dig.10.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.Gastric_primary_sample hg19 TFs and others Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.AllAg.Gastric_primary_sample.bed ...

  6. File list: Pol.Dig.10.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.10.AllAg.Gastric_primary_sample hg19 RNA polymerase Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.10.AllAg.Gastric_primary_sample.bed ...

  7. File list: Oth.Dig.20.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.AllAg.Gastric_primary_sample hg19 TFs and others Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.20.AllAg.Gastric_primary_sample.bed ...

  8. File list: Pol.Dig.50.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.50.AllAg.Gastric_primary_sample hg19 RNA polymerase Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.50.AllAg.Gastric_primary_sample.bed ...

  9. File list: DNS.Dig.50.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.50.AllAg.Gastric_primary_sample hg19 DNase-seq Digestive tract Gastric primary... sample SRX201807,SRX201812 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.50.AllAg.Gastric_primary_sample.bed ...

  10. File list: Pol.Dig.05.AllAg.Gastric_primary_sample [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.05.AllAg.Gastric_primary_sample hg19 RNA polymerase Digestive tract Gastric primary... sample http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.05.AllAg.Gastric_primary_sample.bed ...

  11. File list: InP.Dig.50.Input_control.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.50.Input_control.AllCell hg19 Input control Input control Digestive tract S...RX155744,SRX612781,SRX543681,SRX101310,SRX648244,SRX863785 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.50.Input_control.AllCell.bed ...

  12. File list: InP.Dig.20.Input_control.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.20.Input_control.AllCell hg19 Input control Input control Digestive tract S...X077858,SRX286206,SRX124697,SRX1183967,SRX124698,SRX543691 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.20.Input_control.AllCell.bed ...

  13. File list: InP.Dig.05.Input_control.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.Input_control.AllCell mm9 Input control Input control Digestive tract SR...X885797,SRX885796,SRX885801 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.05.Input_control.AllCell.bed ...

  14. File list: Oth.Dig.10.Hnf4a.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.Hnf4a.AllCell mm9 TFs and others Hnf4a Digestive tract SRX378045,SRX3780...46,SRX112505,SRX112506 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.10.Hnf4a.AllCell.bed ...

  15. File list: InP.Dig.10.Input_control.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.10.Input_control.AllCell hg19 Input control Input control Digestive tract S...RX155777,SRX077858,SRX863785,SRX543682,SRX286206,SRX543691 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.10.Input_control.AllCell.bed ...

  16. File list: Oth.Dig.05.AllAg.Crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.AllAg.Crypt mm9 TFs and others Digestive tract Crypt SRX365692,SRX856963...,SRX856958,SRX856962,SRX396312,SRX648716 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.05.AllAg.Crypt.bed ...

  17. File list: Pol.Dig.20.RNA_polymerase_II.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.RNA_polymerase_II.AllCell hg19 RNA polymerase RNA polymerase II Digestiv...//dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.20.RNA_polymerase_II.AllCell.bed ...

  18. File list: Pol.Dig.05.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.05.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Digest...ive tract http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.05.RNA_polymerase_III.AllCell.bed ...

  19. File list: Pol.Dig.50.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.50.RNA_Polymerase_III.AllCell mm9 RNA polymerase RNA Polymerase III Digesti...ve tract http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.50.RNA_Polymerase_III.AllCell.bed ...

  20. File list: Pol.Dig.10.RNA_polymerase_II.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.10.RNA_polymerase_II.AllCell hg19 RNA polymerase RNA polymerase II Digestiv...//dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.10.RNA_polymerase_II.AllCell.bed ...

  1. File list: Pol.Dig.50.RNA_Polymerase_II.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.50.RNA_Polymerase_II.AllCell mm9 RNA polymerase RNA Polymerase II Digestive... tract SRX112957,SRX143802 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.50.RNA_Polymerase_II.AllCell.bed ...

  2. File list: ALL.Dig.10.AllAg.Gastric_tumor [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.10.AllAg.Gastric_tumor mm9 All antigens Digestive tract Gastric tumor SRX31...5102,SRX315094,SRX315095,SRX315096,SRX315100,SRX315101 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.10.AllAg.Gastric_tumor.bed ...

  3. File list: ALL.Dig.20.AllAg.Gastric_tumor [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.20.AllAg.Gastric_tumor mm9 All antigens Digestive tract Gastric tumor SRX31...5102,SRX315096,SRX315100,SRX315094,SRX315095,SRX315101 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.20.AllAg.Gastric_tumor.bed ...

  4. File list: Oth.Dig.05.AllAg.Gastric_tumor [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.AllAg.Gastric_tumor mm9 TFs and others Digestive tract Gastric tumor SRX...315102,SRX315095,SRX315094,SRX315096,SRX315101,SRX315100 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.05.AllAg.Gastric_tumor.bed ...

  5. File list: Pol.Dig.50.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.50.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Digest...ive tract http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.50.RNA_polymerase_III.AllCell.bed ...

  6. File list: Pol.Dig.20.RNA_polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.RNA_polymerase_III.AllCell hg19 RNA polymerase RNA polymerase III Digest...ive tract http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.20.RNA_polymerase_III.AllCell.bed ...

  7. File list: Pol.Dig.05.RNA_polymerase_II.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.05.RNA_polymerase_II.AllCell hg19 RNA polymerase RNA polymerase II Digestiv...//dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.05.RNA_polymerase_II.AllCell.bed ...

  8. File list: Oth.Dig.05.TEAD4.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.TEAD4.AllCell hg19 TFs and others TEAD4 Digestive tract SRX190228,SRX243...627,SRX243629,SRX360042 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.05.TEAD4.AllCell.bed ...

  9. File list: Oth.Dig.05.Crotonyl_lysine.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.Crotonyl_lysine.AllCell mm9 TFs and others Crotonyl lysine Digestive tra...ct http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.05.Crotonyl_lysine.AllCell.bed ...

  10. File list: His.Dig.20.Pan_lysine_crotonylation.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.20.Pan_lysine_crotonylation.AllCell mm9 Histone Pan lysine crotonylation Di...gestive tract http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.20.Pan_lysine_crotonylation.AllCell.bed ...

  11. File list: ALL.Dig.50.AllAg.TE7 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.TE7 hg19 All antigens Digestive tract TE7 SRX541597,SRX541595,SRX5...41598,SRX541596,SRX541594,SRX541593,SRX541599 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.50.AllAg.TE7.bed ...

  12. File list: InP.Dig.05.AllAg.DLD-1 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.AllAg.DLD-1 hg19 Input control Digestive tract DLD-1 SRX396833,SRX396837...,SRX088973 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.05.AllAg.DLD-1.bed ...

  13. File list: Oth.Dig.50.AllAg.YCC3 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.AllAg.YCC3 hg19 TFs and others Digestive tract YCC3 SRX367638,SRX367637,...SRX367636 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.50.AllAg.YCC3.bed ...

  14. File list: NoD.Dig.10.AllAg.LoVo [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.AllAg.LoVo hg19 No description Digestive tract LoVo SRX335279,SRX335159,...35273,SRX335328 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.10.AllAg.LoVo.bed ...

  15. File list: ALL.Dig.10.AllAg.RKO [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.10.AllAg.RKO hg19 All antigens Digestive tract RKO SRX101303,SRX286201,SRX2...86203,SRX286204,SRX286202,SRX101304,SRX286205,SRX286206 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.10.AllAg.RKO.bed ...

  16. File list: ALL.Dig.50.AllAg.DLD-1 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.DLD-1 hg19 All antigens Digestive tract DLD-1 SRX347196,SRX278416,...8,SRX396839,SRX347197,SRX347193 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.50.AllAg.DLD-1.bed ...

  17. File list: His.Dig.05.AllAg.DLD-1 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.05.AllAg.DLD-1 hg19 Histone Digestive tract DLD-1 SRX347195,SRX347197,SRX34...7196,SRX347193 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.05.AllAg.DLD-1.bed ...

  18. File list: Oth.Dig.10.AllAg.AGS [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.AGS hg19 TFs and others Digestive tract AGS SRX367641,SRX367642,SR...X371981,SRX367640 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.AllAg.AGS.bed ...

  19. File list: InP.Dig.20.AllAg.Colon [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.20.AllAg.Colon mm9 Input control Digestive tract Colon SRX276118,SRX376980,...SRX376981,SRX376973 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.20.AllAg.Colon.bed ...

  20. File list: ALL.Dig.50.AllAg.CCLP1 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.CCLP1 hg19 All antigens Digestive tract CCLP1 SRX731136,SRX731139,...SRX731138,SRX731135,SRX731132,SRX731134 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.50.AllAg.CCLP1.bed ...

  1. File list: His.Dig.05.AllAg.Crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.05.AllAg.Crypt mm9 Histone Digestive tract Crypt SRX365689,SRX365684,SRX365...685,SRX365683,SRX365682,SRX365688,SRX856956 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.05.AllAg.Crypt.bed ...

  2. File list: ALL.Dig.10.AllAg.Ileum [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.10.AllAg.Ileum mm9 All antigens Digestive tract Ileum SRX1029570,SRX1029571...,SRX551053,SRX551054,SRX551059,SRX551056,SRX551055 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.10.AllAg.Ileum.bed ...

  3. File list: ALL.Dig.05.AllAg.TE7 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.05.AllAg.TE7 hg19 All antigens Digestive tract TE7 SRX541598,SRX541593,SRX5...41595,SRX541597,SRX541596,SRX541594,SRX541599 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.05.AllAg.TE7.bed ...

  4. File list: Oth.Dig.10.AllAg.HT-29 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.HT-29 hg19 TFs and others Digestive tract HT-29 SRX768290,SRX39829...8,SRX155746,SRX155745 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.AllAg.HT-29.bed ...

  5. File list: ALL.Dig.10.AllAg.CCLP1 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.10.AllAg.CCLP1 hg19 All antigens Digestive tract CCLP1 SRX731136,SRX731139,...SRX731138,SRX731135,SRX731134,SRX731132 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.10.AllAg.CCLP1.bed ...

  6. File list: ALL.Dig.05.AllAg.CCLP1 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.05.AllAg.CCLP1 hg19 All antigens Digestive tract CCLP1 SRX731136,SRX731139,...SRX731138,SRX731134,SRX731135,SRX731132 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.05.AllAg.CCLP1.bed ...

  7. File list: Oth.Dig.10.AllAg.RKO [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.RKO hg19 TFs and others Digestive tract RKO SRX101303,SRX286201,SR...X286203,SRX286202 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.AllAg.RKO.bed ...

  8. File list: DNS.Dig.05.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.05.AllAg.Stomach hg19 DNase-seq Digestive tract Stomach SRX089271,SRX100995...91,SRX055192,SRX214043 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.05.AllAg.Stomach.bed ...

  9. File list: NoD.Dig.10.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.AllAg.Stomach hg19 No description Digestive tract Stomach SRX252720,SRX2...52731,SRX252741,SRX252737,SRX252723,SRX252726 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.10.AllAg.Stomach.bed ...

  10. File list: DNS.Dig.20.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.20.AllAg.Stomach hg19 DNase-seq Digestive tract Stomach SRX089271,SRX100995...85,SRX214043,SRX055192 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.20.AllAg.Stomach.bed ...

  11. File list: ALL.Dig.20.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.20.AllAg.Stomach hg19 All antigens Digestive tract Stomach SRX252741,SRX252...01194,SRX121286,SRX055202,SRX121291,SRX055185,SRX214043,SRX055192,SRX252723,SRX252726 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.20.AllAg.Stomach.bed ...

  12. File list: NoD.Dig.50.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.50.AllAg.Stomach hg19 No description Digestive tract Stomach SRX252741,SRX2...52720,SRX252731,SRX252737,SRX252723,SRX252726 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.50.AllAg.Stomach.bed ...

  13. File list: ALL.Dig.05.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.05.AllAg.Stomach hg19 All antigens Digestive tract Stomach SRX252720,SRX252...55162,SRX121286,SRX055202,SRX201194,SRX055185,SRX121291,SRX055192,SRX214043,SRX252726 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.05.AllAg.Stomach.bed ...

  14. File list: Pol.Dig.05.RNA_Polymerase_III.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.05.RNA_Polymerase_III.AllCell mm9 RNA polymerase RNA Polymerase III Digesti...ve tract http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.05.RNA_Polymerase_III.AllCell.bed ...

  15. File list: Pol.Dig.20.RNA_Polymerase_II.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.RNA_Polymerase_II.AllCell mm9 RNA polymerase RNA Polymerase II Digestive... tract SRX112957,SRX143802 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.20.RNA_Polymerase_II.AllCell.bed ...

  16. File list: Unc.Dig.20.Unclassified.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.20.Unclassified.AllCell mm9 Unclassified Unclassified Digestive tract SRX10...5,SRX341757,SRX1029565,SRX1029571 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.20.Unclassified.AllCell.bed ...

  17. File list: InP.Dig.10.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.10.AllAg.Intestinal_villus mm9 Input control Digestive tract Intestinal vil...lus SRX1141901,SRX028556,SRX112512,SRX193725 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.10.AllAg.Intestinal_villus.bed ...

  18. File list: Unc.Dig.10.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.10.AllAg.Intestinal_stem_cells mm9 Unclassified Digestive tract Intestinal ...stem cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.10.AllAg.Intestinal_stem_cells.bed ...

  19. File list: ALL.Dig.10.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.10.AllAg.Intestinal_stem_cells mm9 All antigens Digestive tract Intestinal ...p://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.10.AllAg.Intestinal_stem_cells.bed ...

  20. File list: ALL.Dig.20.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.20.AllAg.Intestinal_stem_cells mm9 All antigens Digestive tract Intestinal ...p://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.20.AllAg.Intestinal_stem_cells.bed ...

  1. File list: ALL.Dig.20.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.20.AllAg.Intestinal_adenoma mm9 All antigens Digestive tract Intestinal ade...noma SRX648718,SRX648717 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.20.AllAg.Intestinal_adenoma.bed ...

  2. File list: Pol.Dig.05.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.05.AllAg.Intestinal_adenoma mm9 RNA polymerase Digestive tract Intestinal a...denoma http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.05.AllAg.Intestinal_adenoma.bed ...

  3. File list: InP.Dig.20.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.20.AllAg.Intestinal_crypt mm9 Input control Digestive tract Intestinal cryp...t http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.20.AllAg.Intestinal_crypt.bed ...

  4. File list: InP.Dig.05.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.AllAg.Intestinal_adenoma mm9 Input control Digestive tract Intestinal ad...enoma http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.05.AllAg.Intestinal_adenoma.bed ...

  5. File list: InP.Dig.05.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.AllAg.Intestinal_villus mm9 Input control Digestive tract Intestinal vil...lus SRX1141901,SRX112512,SRX028556,SRX193725 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.05.AllAg.Intestinal_villus.bed ...

  6. File list: ALL.Dig.05.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.05.AllAg.Intestinal_stem_cells mm9 All antigens Digestive tract Intestinal ...p://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.05.AllAg.Intestinal_stem_cells.bed ...

  7. File list: DNS.Dig.20.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.20.AllAg.Intestinal_villus mm9 DNase-seq Digestive tract Intestinal villus ...http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.20.AllAg.Intestinal_villus.bed ...

  8. File list: Pol.Dig.10.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.10.AllAg.Intestinal_adenoma mm9 RNA polymerase Digestive tract Intestinal a...denoma http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.10.AllAg.Intestinal_adenoma.bed ...

  9. File list: Oth.Dig.50.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.AllAg.Intestinal_adenoma mm9 TFs and others Digestive tract Intestinal a...denoma SRX648718 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.50.AllAg.Intestinal_adenoma.bed ...

  10. File list: Oth.Dig.05.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.AllAg.Intestinal_stem_cells mm9 TFs and others Digestive tract Intestinal... stem cells SRX1141904,SRX856961,SRX1141903 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.05.AllAg.Intestinal_stem_cells.bed ...

  11. File list: Unc.Dig.50.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.50.AllAg.Intestinal_adenoma mm9 Unclassified Digestive tract Intestinal ade...noma SRX648717 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.50.AllAg.Intestinal_adenoma.bed ...

  12. File list: Pol.Dig.20.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.AllAg.Intestinal_villus mm9 RNA polymerase Digestive tract Intestinal vi...llus http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.20.AllAg.Intestinal_villus.bed ...

  13. File list: ALL.Dig.50.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.Intestinal_villus mm9 All antigens Digestive tract Intestinal vill...RX1141900,SRX365695,SRX193725,SRX193724 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.50.AllAg.Intestinal_villus.bed ...

  14. File list: DNS.Dig.50.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.50.AllAg.Intestinal_adenoma mm9 DNase-seq Digestive tract Intestinal adenom...a http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.50.AllAg.Intestinal_adenoma.bed ...

  15. File list: Unc.Dig.50.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.50.AllAg.Intestinal_villus mm9 Unclassified Digestive tract Intestinal vill...us SRX365695 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.50.AllAg.Intestinal_villus.bed ...

  16. File list: NoD.Dig.05.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.05.AllAg.Intestinal_villus mm9 No description Digestive tract Intestinal vi...llus http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.05.AllAg.Intestinal_villus.bed ...

  17. File list: DNS.Dig.20.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.20.AllAg.Intestinal_crypt mm9 DNase-seq Digestive tract Intestinal crypt ht...tp://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.20.AllAg.Intestinal_crypt.bed ...

  18. File list: InP.Dig.10.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.10.AllAg.Intestinal_crypt mm9 Input control Digestive tract Intestinal cryp...t http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.10.AllAg.Intestinal_crypt.bed ...

  19. File list: InP.Dig.10.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.10.AllAg.Intestinal_adenoma mm9 Input control Digestive tract Intestinal ad...enoma http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.10.AllAg.Intestinal_adenoma.bed ...

  20. File list: Unc.Dig.05.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.05.AllAg.Intestinal_stem_cells mm9 Unclassified Digestive tract Intestinal ...stem cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.05.AllAg.Intestinal_stem_cells.bed ...

  1. File list: DNS.Dig.50.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.50.AllAg.Intestinal_villus mm9 DNase-seq Digestive tract Intestinal villus ...http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.50.AllAg.Intestinal_villus.bed ...

  2. File list: Oth.Dig.10.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.Intestinal_adenoma mm9 TFs and others Digestive tract Intestinal a...denoma SRX648718 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.10.AllAg.Intestinal_adenoma.bed ...

  3. File list: His.Dig.50.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.50.AllAg.Intestinal_stem_cells mm9 Histone Digestive tract Intestinal stem ...cells SRX856959,SRX193722 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.50.AllAg.Intestinal_stem_cells.bed ...

  4. File list: ALL.Dig.05.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.05.AllAg.Intestinal_crypt mm9 All antigens Digestive tract Intestinal crypt... SRX871676,SRX871675,SRX871671,SRX871672 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.05.AllAg.Intestinal_crypt.bed ...

  5. File list: InP.Dig.50.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.50.AllAg.Intestinal_crypt mm9 Input control Digestive tract Intestinal cryp...t http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.50.AllAg.Intestinal_crypt.bed ...

  6. File list: Oth.Dig.20.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.AllAg.Intestinal_crypt mm9 TFs and others Digestive tract Intestinal cry...pt SRX871676,SRX871672,SRX871675,SRX871671 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.20.AllAg.Intestinal_crypt.bed ...

  7. File list: InP.Dig.20.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.20.AllAg.Intestinal_adenoma mm9 Input control Digestive tract Intestinal ad...enoma http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.20.AllAg.Intestinal_adenoma.bed ...

  8. File list: NoD.Dig.10.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.AllAg.Intestinal_adenoma mm9 No description Digestive tract Intestinal a...denoma http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.10.AllAg.Intestinal_adenoma.bed ...

  9. File list: His.Dig.20.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.20.AllAg.Intestinal_stem_cells mm9 Histone Digestive tract Intestinal stem ...cells SRX856959,SRX193722 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.20.AllAg.Intestinal_stem_cells.bed ...

  10. File list: DNS.Dig.10.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.10.AllAg.Intestinal_crypt mm9 DNase-seq Digestive tract Intestinal crypt ht...tp://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.10.AllAg.Intestinal_crypt.bed ...

  11. File list: His.Dig.10.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.10.AllAg.Intestinal_stem_cells mm9 Histone Digestive tract Intestinal stem ...cells SRX856959,SRX193722 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.10.AllAg.Intestinal_stem_cells.bed ...

  12. File list: NoD.Dig.50.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.50.AllAg.Intestinal_adenoma mm9 No description Digestive tract Intestinal a...denoma http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.50.AllAg.Intestinal_adenoma.bed ...

  13. File list: Pol.Dig.05.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.05.AllAg.Intestinal_villus mm9 RNA polymerase Digestive tract Intestinal vi...llus http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.05.AllAg.Intestinal_villus.bed ...

  14. File list: ALL.Dig.50.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.Intestinal_crypt mm9 All antigens Digestive tract Intestinal crypt... SRX871671,SRX871676,SRX871675,SRX871672 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.50.AllAg.Intestinal_crypt.bed ...

  15. File list: DNS.Dig.10.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.10.AllAg.Intestinal_adenoma mm9 DNase-seq Digestive tract Intestinal adenom...a http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.10.AllAg.Intestinal_adenoma.bed ...

  16. File list: Pol.Dig.20.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.AllAg.Intestinal_adenoma mm9 RNA polymerase Digestive tract Intestinal a...denoma http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.20.AllAg.Intestinal_adenoma.bed ...

  17. File list: Unc.Dig.05.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.05.AllAg.Intestinal_adenoma mm9 Unclassified Digestive tract Intestinal ade...noma SRX648717 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.05.AllAg.Intestinal_adenoma.bed ...

  18. File list: DNS.Dig.05.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.05.AllAg.Intestinal_crypt mm9 DNase-seq Digestive tract Intestinal crypt ht...tp://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.05.AllAg.Intestinal_crypt.bed ...

  19. File list: NoD.Dig.05.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.05.AllAg.Intestinal_adenoma mm9 No description Digestive tract Intestinal a...denoma http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.05.AllAg.Intestinal_adenoma.bed ...

  20. File list: Pol.Dig.50.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.50.AllAg.Intestinal_crypt mm9 RNA polymerase Digestive tract Intestinal cry...pt http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.50.AllAg.Intestinal_crypt.bed ...

  1. File list: Oth.Dig.20.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.AllAg.Intestinal_villus mm9 TFs and others Digestive tract Intestinal vi...X112502 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.20.AllAg.Intestinal_villus.bed ...

  2. File list: ALL.Dig.20.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.20.AllAg.Intestinal_villus mm9 All antigens Digestive tract Intestinal vill...RX028555,SRX112502,SRX1141900,SRX193724 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.20.AllAg.Intestinal_villus.bed ...

  3. File list: DNS.Dig.10.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.10.AllAg.Intestinal_villus mm9 DNase-seq Digestive tract Intestinal villus ...http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.10.AllAg.Intestinal_villus.bed ...

  4. File list: NoD.Dig.20.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.20.AllAg.Intestinal_villus mm9 No description Digestive tract Intestinal vi...llus http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.20.AllAg.Intestinal_villus.bed ...

  5. File list: DNS.Dig.10.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.10.AllAg.Intestinal_stem_cells mm9 DNase-seq Digestive tract Intestinal ste...m cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.10.AllAg.Intestinal_stem_cells.bed ...

  6. File list: NoD.Dig.10.AllAg.Intestinal_villus [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.10.AllAg.Intestinal_villus mm9 No description Digestive tract Intestinal vi...llus http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Dig.10.AllAg.Intestinal_villus.bed ...

  7. File list: Pol.Dig.10.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.10.AllAg.Intestinal_stem_cells mm9 RNA polymerase Digestive tract Intestinal... stem cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.10.AllAg.Intestinal_stem_cells.bed ...

  8. File list: DNS.Dig.05.AllAg.Intestinal_adenoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.05.AllAg.Intestinal_adenoma mm9 DNase-seq Digestive tract Intestinal adenom...a http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.05.AllAg.Intestinal_adenoma.bed ...

  9. File list: Pol.Dig.05.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.05.AllAg.Intestinal_crypt mm9 RNA polymerase Digestive tract Intestinal cry...pt http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.05.AllAg.Intestinal_crypt.bed ...

  10. File list: Oth.Dig.20.VSV-G.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.VSV-G.AllCell hg19 TFs and others VSV-G Digestive tract SRX961218,SRX961...219 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.20.VSV-G.AllCell.bed ...

  11. File list: Oth.Dig.10.VSV-G.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.VSV-G.AllCell hg19 TFs and others VSV-G Digestive tract SRX961218,SRX961...219 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.VSV-G.AllCell.bed ...

  12. File list: Oth.Dig.05.VSV-G.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.VSV-G.AllCell hg19 TFs and others VSV-G Digestive tract SRX961218,SRX961...219 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.05.VSV-G.AllCell.bed ...

  13. File list: Oth.Dig.50.VSV-G.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.VSV-G.AllCell hg19 TFs and others VSV-G Digestive tract SRX961218,SRX961...219 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.50.VSV-G.AllCell.bed ...

  14. File list: Pol.Dig.50.RNA_polymerase_II.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.50.RNA_polymerase_II.AllCell hg19 RNA polymerase RNA polymerase II Digestiv...//dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Pol.Dig.50.RNA_polymerase_II.AllCell.bed ...

  15. File list: His.Dig.50.Pan_lysine_crotonylation.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.50.Pan_lysine_crotonylation.AllCell hg19 Histone Pan lysine crotonylation D...igestive tract http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.50.Pan_lysine_crotonylation.AllCell.bed ...

  16. File list: His.Dig.05.Pan_lysine_crotonylation.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.05.Pan_lysine_crotonylation.AllCell hg19 Histone Pan lysine crotonylation D...igestive tract http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.05.Pan_lysine_crotonylation.AllCell.bed ...

  17. File list: His.Dig.20.Pan_lysine_crotonylation.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.20.Pan_lysine_crotonylation.AllCell hg19 Histone Pan lysine crotonylation D...igestive tract http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.20.Pan_lysine_crotonylation.AllCell.bed ...

  18. File list: His.Dig.50.Pan_lysine_crotonylation.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.50.Pan_lysine_crotonylation.AllCell mm9 Histone Pan lysine crotonylation Di...gestive tract http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.50.Pan_lysine_crotonylation.AllCell.bed ...

  19. File list: His.Dig.10.Pan_lysine_crotonylation.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.10.Pan_lysine_crotonylation.AllCell hg19 Histone Pan lysine crotonylation D...igestive tract http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.10.Pan_lysine_crotonylation.AllCell.bed ...

  20. File list: His.Dig.10.Pan_lysine_crotonylation.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.10.Pan_lysine_crotonylation.AllCell mm9 Histone Pan lysine crotonylation Di...gestive tract http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.10.Pan_lysine_crotonylation.AllCell.bed ...

  1. File list: Oth.Dig.05.Vdr.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.Vdr.AllCell mm9 TFs and others Vdr Digestive tract SRX1037022,SRX1037019...,SRX1037020,SRX1037021,SRX1037018,SRX1037017 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.05.Vdr.AllCell.bed ...

  2. File list: Oth.Dig.10.Vdr.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.Vdr.AllCell mm9 TFs and others Vdr Digestive tract SRX1037022,SRX1037021...,SRX1037020,SRX1037019,SRX1037018,SRX1037017 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.10.Vdr.AllCell.bed ...

  3. File list: Oth.Dig.20.Vdr.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.Vdr.AllCell mm9 TFs and others Vdr Digestive tract SRX1037022,SRX1037021...,SRX1037020,SRX1037019,SRX1037018,SRX1037017 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.20.Vdr.AllCell.bed ...

  4. File list: Oth.Dig.50.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.AllAg.Caco-2 hg19 TFs and others Digestive tract Caco-2 SRX080411,SRX080...352,SRX886445,SRX026268,SRX026267,SRX026264,SRX026265,SRX886446,SRX026263,SRX026266 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.50.AllAg.Caco-2.bed ...

  5. File list: ALL.Dig.05.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.05.AllAg.Caco-2 hg19 All antigens Digestive tract Caco-2 SRX026264,SRX18998...444,SRX886446,SRX069093,SRX080354,SRX190019,SRX026266,SRX026265 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.05.AllAg.Caco-2.bed ...

  6. File list: His.Dig.10.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.10.AllAg.Caco-2 hg19 Histone Digestive tract Caco-2 SRX189989,SRX189986,SRX...189945 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.10.AllAg.Caco-2.bed ...

  7. File list: InP.Dig.05.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.AllAg.Caco-2 hg19 Input control Digestive tract Caco-2 SRX026269,SRX8864...44,SRX080354,SRX190019 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.05.AllAg.Caco-2.bed ...

  8. File list: Oth.Dig.10.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.Caco-2 hg19 TFs and others Digestive tract Caco-2 SRX026264,SRX026...263,SRX080352,SRX080411,SRX026268,SRX886445,SRX886446,SRX026266,SRX026267,SRX026265 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.AllAg.Caco-2.bed ...

  9. File list: ALL.Dig.10.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.10.AllAg.Caco-2 hg19 All antigens Digestive tract Caco-2 SRX026264,SRX02626...446,SRX190019,SRX886444,SRX080354,SRX026266,SRX026267,SRX026265 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.10.AllAg.Caco-2.bed ...

  10. File list: ALL.Dig.20.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.20.AllAg.Caco-2 hg19 All antigens Digestive tract Caco-2 SRX026263,SRX08035...267,SRX026265,SRX190019,SRX080354,SRX189989,SRX026266,SRX189986 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.20.AllAg.Caco-2.bed ...

  11. File list: Oth.Dig.05.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.AllAg.Caco-2 hg19 TFs and others Digestive tract Caco-2 SRX026264,SRX026...263,SRX080352,SRX080411,SRX026268,SRX026267,SRX886445,SRX886446,SRX026266,SRX026265 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.05.AllAg.Caco-2.bed ...

  12. File list: InP.Dig.50.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.50.AllAg.Caco-2 hg19 Input control Digestive tract Caco-2 SRX886444,SRX0262...69,SRX190019,SRX080354 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.50.AllAg.Caco-2.bed ...

  13. File list: His.Dig.05.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.05.AllAg.Caco-2 hg19 Histone Digestive tract Caco-2 SRX189989,SRX189945,SRX...189986 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.05.AllAg.Caco-2.bed ...

  14. File list: ALL.Dig.50.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.Caco-2 hg19 All antigens Digestive tract Caco-2 SRX069180,SRX08041...269,SRX190019,SRX080354,SRX026263,SRX189989,SRX026266,SRX189986 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.50.AllAg.Caco-2.bed ...

  15. File list: His.Dig.50.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.50.AllAg.Caco-2 hg19 Histone Digestive tract Caco-2 SRX189945,SRX189989,SRX...189986 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.50.AllAg.Caco-2.bed ...

  16. File list: His.Dig.20.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.20.AllAg.Caco-2 hg19 Histone Digestive tract Caco-2 SRX189945,SRX189989,SRX...189986 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/His.Dig.20.AllAg.Caco-2.bed ...

  17. File list: InP.Dig.20.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.20.AllAg.Caco-2 hg19 Input control Digestive tract Caco-2 SRX026269,SRX8864...44,SRX190019,SRX080354 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.20.AllAg.Caco-2.bed ...

  18. File list: Oth.Dig.20.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.AllAg.Caco-2 hg19 TFs and others Digestive tract Caco-2 SRX026263,SRX080...352,SRX026264,SRX080411,SRX886445,SRX886446,SRX026268,SRX026267,SRX026265,SRX026266 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.20.AllAg.Caco-2.bed ...

  19. File list: InP.Dig.10.AllAg.Caco-2 [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.10.AllAg.Caco-2 hg19 Input control Digestive tract Caco-2 SRX026269,SRX1900...19,SRX886444,SRX080354 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.10.AllAg.Caco-2.bed ...

  20. File list: Oth.Dig.50.5-Methylcytosine.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.5-Methylcytosine.AllCell mm9 TFs and others 5-Methylcytosine Digestive t...ract http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.50.5-Methylcytosine.AllCell.bed ...

  1. File list: Oth.Dig.05.5-Methylcytosine.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.5-Methylcytosine.AllCell mm9 TFs and others 5-Methylcytosine Digestive t...ract http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.05.5-Methylcytosine.AllCell.bed ...

  2. File list: Oth.Dig.10.5-Methylcytosine.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.5-Methylcytosine.AllCell mm9 TFs and others 5-Methylcytosine Digestive t...ract http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.10.5-Methylcytosine.AllCell.bed ...

  3. File list: Oth.Dig.10.5-Methylcytosine.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.5-Methylcytosine.AllCell hg19 TFs and others 5-Methylcytosine Digestive ...tract http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.5-Methylcytosine.AllCell.bed ...

  4. File list: Oth.Dig.20.Crotonyl_lysine.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.Crotonyl_lysine.AllCell mm9 TFs and others Crotonyl lysine Digestive tra...ct http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.20.Crotonyl_lysine.AllCell.bed ...

  5. File list: Oth.Dig.10.Crotonyl_lysine.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.Crotonyl_lysine.AllCell mm9 TFs and others Crotonyl lysine Digestive tra...ct http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.10.Crotonyl_lysine.AllCell.bed ...

  6. File list: Oth.Dig.50.NIPBL.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.NIPBL.AllCell hg19 TFs and others NIPBL Digestive tract SRX360591,SRX360...577 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.50.NIPBL.AllCell.bed ...

  7. File list: Oth.Dig.10.NIPBL.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.NIPBL.AllCell hg19 TFs and others NIPBL Digestive tract SRX360591,SRX360...577 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.NIPBL.AllCell.bed ...

  8. File list: Oth.Dig.20.NIPBL.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.NIPBL.AllCell hg19 TFs and others NIPBL Digestive tract SRX360591,SRX360...577 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.20.NIPBL.AllCell.bed ...

  9. File list: Oth.Dig.05.NIPBL.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.05.NIPBL.AllCell hg19 TFs and others NIPBL Digestive tract SRX360591,SRX360...577 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.05.NIPBL.AllCell.bed ...

  10. File list: Oth.Dig.50.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.AllAg.Intestinal_stem_cells mm9 TFs and others Digestive tract Intestinal stem... cells SRX856961,SRX1141904,SRX1141903 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.50.AllAg.Intestinal_stem_cells.bed ...

  11. File list: DNS.Dig.20.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.20.AllAg.Intestinal_stem_cells mm9 DNase-seq Digestive tract Intestinal stem... cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/DNS.Dig.20.AllAg.Intestinal_stem_cells.bed ...

  12. File list: Unc.Dig.20.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Unc.Dig.20.AllAg.Intestinal_stem_cells mm9 Unclassified Digestive tract Intestinal stem... cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Dig.20.AllAg.Intestinal_stem_cells.bed ...

  13. File list: ALL.Dig.50.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.Intestinal_stem_cells mm9 All antigens Digestive tract Intestinal stem...p://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/ALL.Dig.50.AllAg.Intestinal_stem_cells.bed ...

  14. File list: Pol.Dig.20.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.20.AllAg.Intestinal_stem_cells mm9 RNA polymerase Digestive tract Intestinal stem... cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.20.AllAg.Intestinal_stem_cells.bed ...

  15. File list: Pol.Dig.50.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Pol.Dig.50.AllAg.Intestinal_stem_cells mm9 RNA polymerase Digestive tract Intestinal stem... cells http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Pol.Dig.50.AllAg.Intestinal_stem_cells.bed ...

  16. File list: His.Dig.05.AllAg.Intestinal_stem_cells [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available His.Dig.05.AllAg.Intestinal_stem_cells mm9 Histone Digestive tract Intestinal stem ...cells SRX856959,SRX193722 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/His.Dig.05.AllAg.Intestinal_stem_cells.bed ...

  17. File list: Oth.Dig.10.AllAg.Intestinal_crypt [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.Intestinal_crypt mm9 TFs and others Digestive tract Intestinal cry...pt SRX871676,SRX871671,SRX871675,SRX871672 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.10.AllAg.Intestinal_crypt.bed ...

  18. File list: Oth.Dig.10.SP1.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.SP1.AllCell hg19 TFs and others SP1 Digestive tract SRX190358,SRX113706,...SRX359956 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.SP1.AllCell.bed ...

  19. File list: Oth.Dig.20.SP1.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.SP1.AllCell hg19 TFs and others SP1 Digestive tract SRX190358,SRX113706,...SRX359956 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.20.SP1.AllCell.bed ...

  20. File list: ALL.Dig.10.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.10.AllAg.Stomach hg19 All antigens Digestive tract Stomach SRX252720,SRX252...21286,SRX055202,SRX201194,SRX055185,SRX121291,SRX055192,SRX214043,SRX252723,SRX252726 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.10.AllAg.Stomach.bed ...

  1. File list: ALL.Dig.50.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available ALL.Dig.50.AllAg.Stomach hg19 All antigens Digestive tract Stomach SRX252741,SRX252...01194,SRX121286,SRX055202,SRX121291,SRX214043,SRX252723,SRX055185,SRX055192,SRX252726 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Dig.50.AllAg.Stomach.bed ...

  2. File list: NoD.Dig.20.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.20.AllAg.Stomach hg19 No description Digestive tract Stomach SRX252741,SRX2...52720,SRX252731,SRX252737,SRX252723,SRX252726 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.20.AllAg.Stomach.bed ...

  3. File list: DNS.Dig.50.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.50.AllAg.Stomach hg19 DNase-seq Digestive tract Stomach SRX089271,SRX100995...43,SRX055185,SRX055192 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.50.AllAg.Stomach.bed ...

  4. File list: NoD.Dig.05.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available NoD.Dig.05.AllAg.Stomach hg19 No description Digestive tract Stomach SRX252720,SRX2...52731,SRX252741,SRX252737,SRX252723,SRX252726 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/NoD.Dig.05.AllAg.Stomach.bed ...

  5. File list: DNS.Dig.10.AllAg.Stomach [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available DNS.Dig.10.AllAg.Stomach hg19 DNase-seq Digestive tract Stomach SRX089271,SRX100995...91,SRX055192,SRX214043 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/DNS.Dig.10.AllAg.Stomach.bed ...

  6. File list: InP.Dig.50.Input_control.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.50.Input_control.AllCell mm9 Input control Input control Digestive tract SR...X193725,SRX885789,SRX376973 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.50.Input_control.AllCell.bed ...

  7. File list: InP.Dig.05.Input_control.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.05.Input_control.AllCell hg19 Input control Input control Digestive tract S...RX124694,SRX543691,SRX543683,SRX367635,SRX286206,SRX543682 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Dig.05.Input_control.AllCell.bed ...

  8. File list: InP.Dig.20.Input_control.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Dig.20.Input_control.AllCell mm9 Input control Input control Digestive tract SR...X040284,SRX376981,SRX376973 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Dig.20.Input_control.AllCell.bed ...

  9. File list: Oth.Dig.20.AllAg.Gastric_tumor [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.AllAg.Gastric_tumor mm9 TFs and others Digestive tract Gastric tumor SRX...315102,SRX315096,SRX315100,SRX315094,SRX315095,SRX315101 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.20.AllAg.Gastric_tumor.bed ...

  10. File list: Oth.Dig.10.AllAg.Gastric_tumor [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.AllAg.Gastric_tumor mm9 TFs and others Digestive tract Gastric tumor SRX...315102,SRX315094,SRX315095,SRX315096,SRX315100,SRX315101 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.10.AllAg.Gastric_tumor.bed ...

  11. File list: Oth.Dig.50.Hnf4a.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.50.Hnf4a.AllCell mm9 TFs and others Hnf4a Digestive tract SRX112505,SRX1125...06,SRX378046,SRX378045 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.50.Hnf4a.AllCell.bed ...

  12. File list: Oth.Dig.20.Hnf4a.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.20.Hnf4a.AllCell mm9 TFs and others Hnf4a Digestive tract SRX378045,SRX1125...05,SRX112506,SRX378046 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Dig.20.Hnf4a.AllCell.bed ...

  13. File list: Oth.Dig.10.MethylCap.AllCell [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Dig.10.MethylCap.AllCell hg19 TFs and others MethylCap Digestive tract SRX10526...1,SRX105262,SRX105260 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/Oth.Dig.10.MethylCap.AllCell.bed ...

  14. The asteroid 2014 JO25

    Science.gov (United States)

    Vodniza, Alberto; Pereira, Mario

    2017-10-01

    The asteroid 2014 JO25 was discovered by A. D. Grauer at the Mt. Lemmon Survey on May 2014, and Joe Masiero used observations from the NEOWISE in 2014 to estimate a diameter of 650 meters [1]. However, using the radio telescope at Arecibo-Puerto Rico, astronomers obtained radar images on April 17-2017 and Edgar Rivera Valentín (scientist at Arecibo) said: “We found 2014 JO25 is a contact binary asteroid, two space rocks that were originally separate bodies, and each segment is about 640 meters and 670 meters, for a total of about 1.3 km long. Its rotation is of 3.5 hours” [2]. This asteroid flew past Earth on April 19 at a distance of about 4.6 lunar distances from the Earth. This was the closest approach by an asteroid since 4179 Toutatis. Toutatis flew past Earth on September 2004 at a distance of about 4 lunar distances from the Earth [3]. In April 12-2020 the asteroid will be at a minimum possible distance of 0.1617280 A.U from Earth [4]. From our observatory, located in Pasto-Colombia, we obtained a lot of pictures. Our data was published by the Minor Planet Center [5] and also appears at the web page of NEODyS [6]. Astrometry and photometry were carried out, and we calculated the orbital elements. We obtained the following orbital parameters: eccentricity=0.88454+/-0.00152, semi-major axis= 2.0573+/- 0.0216 A.U, orbital inclination=25.22+/-0.10 deg, longitude of the ascending node =30.6530+/-0.0032 deg, argument of perihelion=49.586+/-0.012 deg, mean motion = 0.33402+/-0.00527 deg/d, perihelion distance=0.237524+/-0.000644 A.U, aphelion distance=3.8770+/-0.0449 A.U, absolute magnitude =18.1. The parameters were calculated based on 164 observations. Dates: 2017 April: 22 to 24 with mean residual=0.22 arcseconds.The asteroid has an orbital period of 2.95 years.[1] https://echo.jpl.nasa.gov/asteroids/2014JO25/2014JO25_planning.html[2] http://earthsky.org/astronomy-essentials/large-asteroid-2014-jo25-close-april-19-2017-how-to-see[3] https

  15. Colorimetry and magnitudes of asteroids

    Science.gov (United States)

    Bowell, E.; Lumme, K.

    1979-01-01

    In the present paper, 1500 UBV observations are analyzed by a new rather general multiple scattering theory which provided clear insight into previously poorly-recognized optical nature of asteroid surfaces. Thus, phase curves are shown to consist of a surface-texture controlled component, due to singly scattered light, and a component due to multiple scattering. Phase curve shapes can be characterized by a single parameter, the multiple scattering factor, Q. As Q increases, the relative importance of the opposition effect diminishes. Asteroid surfaces are particulate and strikingly similar to texture, being moderately porous and moderately rough on a scale greater than the wavelength of light. In concequence, Q (and also the phase coefficient) correlate well with geometric albedo, and there exists a purely photometric means of determining albedos and diameters.

  16. Asteroids prospective energy and material resources

    CERN Document Server

    2013-01-01

    The Earth has limited material and energy resources while these resources in space are virtually unlimited. Further development of humanity will require going beyond our planet and exploring of extraterrestrial resources and sources of unlimited power.   Thus far, all missions to asteroids have been motivated by scientific exploration. However, given recent advancements in various space technologies, mining asteroids for resources is becoming ever more feasible. A significant portion of asteroids value is derived from their location; the required resources do not need to be lifted at a great expense from the surface of the Earth.   Resources derived from Asteroid not only can be brought back to Earth but could also be used to sustain human exploration of space and permanent settlements in space.   This book investigates asteroids' prospective energy and material resources. It is a collection of topics related to asteroid exploration, and utilization. It presents past and future technologies and solutions t...

  17. Comparison of Asteroids Observed in the SDSS with a Catalog of Known Asteroids

    OpenAIRE

    Juric, M.; Ivezic, Z.; Lupton, H. R.; Quinn, T.; Tabachnik, S.

    2002-01-01

    We positionally correlate asteroids from existing catalogs with a sample of $\\about$18,000 asteroids detected by the Sloan Digital Sky Survey (SDSS, Ivezi\\'{c} {\\em et al.} 2001). We find 2641 unique matches, which represent the largest sample of asteroids with both accurate multi-color photometry and known orbital parameters. The matched objects are predominantly bright, and demonstrate that the SDSS photometric pipeline recovers \\about90% of the known asteroids in the observed region. For t...

  18. Modern Asteroid Occultation Observing Methods

    Science.gov (United States)

    Lucas, G. A.

    2004-05-01

    This presentation reviews current working methods for asteroid occultations developed by the International Occultation Timing Association (IOTA). Reduc- tion of multiple tracks or "chords" observed during stellar occultations pro- vides valuable measures of the relative sizes and shapes of asteroids. Tradi- tionally, predictions for asteroid occultations were prepared by regional IOTA computors, distributed annually in "hard copy" format to IOTA subscrib- ers and in publications such as Sky & Telescope magazine and the annual RASC Observers Handbook. IOTA - like many other organizations - is now using worldwide internet services and e-mail to distribute frequently-updated pre- dictions based upon the latest astrometry. The IOTA web pages provide an easily accessible, centralized source of information on lunar and solar sys- tem occultation events. IOTA's web pages feature a variety of articles on current activities, plans for observing campaigns and expeditions, and "how to do it" information on the latest technology and techniques. The latest up- dated predictions for asteroid events are made available as they are pro- duced, providing more accurate observing tracks and efficient coordination of observers. The IOTA e-mail list provides a dynamic forum for the exchange of technical information and com-munication of observing plans in a timely man- ner. Individuals may now generate customized occultation predictions using the WinOccult software package. The author presents some examples of recent occultation events, showing the benefits of coordinated observations. Also described are some of the latest innovations, featuring low-cost video camera equipment, devices for time insertion based on Global Positioning Satellite (GPS) technology, and a new approach using unattended secondary field station equipment to multiply the number of tracks observed.

  19. Figure of Merit for Asteroid Regolith Simulants

    Science.gov (United States)

    Metzger, P.; Britt, D.; Covey, S.; Lewis, J. S.

    2017-09-01

    High fidelity asteroid simulant has been developed, closely matching the mineral and elemental abundances of reference meteorites representing the target asteroid classes. The first simulant is a CI class based upon the Orgueil meteorite, and several other simulants are being developed. They will enable asteroid mining and water extraction tests, helping mature the technologies for space resource utilization for both commercial and scientific/exploration activities in space.

  20. Asteroid Evolution: Role of Geotechnical Properties

    Science.gov (United States)

    Sánchez, Paul

    2016-01-01

    This paper presents a brief review and latest results of the work that has been carried out by the Planetary Science community in order to understand the role of the geotechnical properties of granular asteroids (commonly known as ``rubble-pile'' asteroids) in their formation, evolution and possible disruption. As such, we will touch in aspects of the theoretical and numerical tools that have been used with this objective and how the obtained results compare to the observed asteroids.

  1. Anchoring a lander on an asteroid using foam stabilization Project

    Data.gov (United States)

    National Aeronautics and Space Administration — NASA has proposed several missions to land a craft on an asteroid and potentially to return samples from it. While large asteroids in the asteroid belt can exhibit a...

  2. ASTEROID DYNAMICAL FAMILIES V3.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This dataset contains the asteroid dynamical family classifications contained in Zappala, et al. (1995) [ZAPPALAETAL1995]. These are based on the heirarchical...

  3. Asteroid Families: Myth or Reality?

    Science.gov (United States)

    Bus, S. J.; Binzel, R. P.; Burbine, T. H.

    1996-09-01

    Dynamical families among the asteroids are thought to result from the collisional disruption of larger parent bodies. Even with recent improvements in the calculation of proper elements and the use of better clustering algorithms, a grouping in orbital element space is not sufficient proof of a genetic association. Proof of a genetic link between these objects is possible only through physical studies of the individual family members. In the course of the Small Main-Belt Asteroid Spectroscopic Survey (SMASS), we have measured the spectral reflectance properties of more than 250 asteroids whose semi-major axes are between 2.7 and 2.82 AU. This region of the main-belt has been chosen for study due to the diversity of asteroid spectral types present, and for the number of dynamical families that have been identified (e.g., Williams 1992, Icarus 96, 251 and Zappala et al. 1994, Astron. J. 107, 772). We have focused our efforts on 10 families defined by Zappala et al. (1995, Icarus 116, 291) (Astrid, Ceres, Chloris, Dora, Henan, Hoffmeister, Liberatrix, Lydia, Merxia, Nemesis) and on the proposed high inclination Pallas family (e.g., Lemaitre and Morbidelli 1994, Cel. Mech. Dynam. Astron. 60, 29). Observations were obtained with a CCD spectrograph attached to the 2.4-m Hiltner telescope of the Michigan-Dartmouth-MIT Observatory and cover the wavelength range of 4400-9200 Angstroms. Of the >250 objects observed, approximately one-half are identified as family members while the other half are non-family members, where the latter are used to define the background population. For each of the eleven families studied, strong similarities are seen in the reflectance properties between the individual family members. This is in significant contrast to the relatively random distribution of C-type and S-type asteroids seen in the background population. Interlopers are found, but usually appear to be at the periphery of a family, highlighting the difficulty of establishing

  4. Constraints on Exposure Ages of Lunar and Asteroidal Regolith Particles

    Science.gov (United States)

    Berger, Eve L.; Keller, Lindsay P

    2014-01-01

    Mineral grains in lunar and asteroidal regolith samples provide a unique record of their interaction with the space environment. Exposure to the solar wind results in implantation effects that are preserved in the rims of grains (typically the outermost 100 nm), while impact processes result in the accumulation of vapor-deposited elements, impact melts and adhering grains on particle surfaces. These processes are collectively referred to as space weathering. A critical element in the study of these processes is to determine the rate at which these effects accumulate in the grains during their space exposure. For small particulate samples, one can use the density of solar flare particle tracks to infer the length of time the particle was at the regolith surface (i.e., its exposure age). We have developed a new technique that enables more accurate determination of solar flare particle track densities in mineral grains <50 micron in size that utilizes focused ion beam (FIB) sample preparation combined with transmission electron microscopy (TEM) imaging. We have applied this technique to lunar soil grains from the Apollo 16 site (soil 64501) and most recently to samples from asteroid 25143 Itokawa returned by the Hayabusa mission. Our preliminary results show that the Hayabusa grains have shorter exposure ages compared to typical lunar soil grains. We will use these techniques to re-examine the track density-exposure age calibration from lunar samples reported by Blanford et al. (1975).

  5. A Mobile Asteroid Surface Scout (MASCOT) on board the Hayabusa 2 Mission to the near Earth asteroid (162173) Ryugu

    Science.gov (United States)

    Jaumann, R.; Bibring, J. P.; Glassmeier, K. H.; Grott, M.; Ho, T. M.; Ulamec, S.; Schmitz, N.; Auster, H. U.; Biele, J.; Kuninaka, H.; Okada, T.; Yoshikawa, M.; Watanabe, S.; Spohn, T.; Koncz, A.; Hercik, D.; Michaelis, H.; Fujimoto, M.

    2016-12-01

    MASCOT is part of JAXA's Hayabusa 2 asteroid sample return mission that has been launched to asteroid (162173) Ryugu (1,2,3) on Dec 3rd, 2014. It is scheduled to arrive at Ryugu in 2018, and return samples to Earth in 2020. The German Aerospace Center (DLR) developed the lander MASCOT with contributions from CNES (France) (2,3). Ryugu has been classified as a Cg-type (4), believed to be a primitive volatile-rich remnant from the early solar system. Its visible geometric albedo is 0.07±0.01with a diameter of 0.87±0.03 km (5). The thermal inertia indicates thick dust with a cm-sized, gravel-dominated surface layer (5,6). Ryugu shows a retrograde rotation with a period of 7.63±0.01h. Spectral observations indicate iron-bearing phyllosilicates (1) on parts of the surface, suggesting compositional heterogeneity. MASCOT will enable to in-situ map the asteroid's geomorphology, the intimate structure, texture and composition of the regolith (dust, soil and rocks), and its thermal, mechanical, and magnetic properties in order to provide ground truth for the orbiter remote measurements, support the selection of sampling sites, and provide context information for the returned samples (2,3). MASCOT comprises a payload of four scientific instruments: camera, radiometer, magnetometer and hyperspectral microscope (2,3). Characterizing the properties of asteroid regolith in-situ will deliver important ground truth for further understanding telescopic and orbital observations as well as samples of asteroids. MASCOT will descend and land on the asteroid and will change its position by hopping (3). (1) Vilas, F., Astro. J. 1101-1105, 2008; (2) Jaumann, R., et al., SSR, DOI 10.1007/s11214-016-0263-2, 2016; (3) Ho, T.-M. et al., SSR, DOI 10.1007/s11214-016-0251-6, 2016; (4) Bus, S.J., Binzel, R.P. Icarus 158, 2002; (5) Hasegawa, T.G., et al., Astron. Soc. Japan 60, 2008; (6) T.G. Müller, T.G., et al., doi 10.1051/0004-6361/201015599, 2011.

  6. Eccentricity distribution in the main asteroid belt

    Science.gov (United States)

    Malhotra, Renu; Wang, Xianyu

    2017-03-01

    The observationally complete sample of the main belt asteroids now spans more than two orders of magnitude in size and numbers more than 64 000 (excluding collisional family members). We undertook an analysis of asteroids' eccentricities and their interpretation with simple physical models. We find that a century old conclusion that the asteroids' eccentricities follow a Rayleigh distribution holds for the osculating eccentricities of large asteroids, but the proper eccentricities deviate from a Rayleigh distribution; there is a deficit of eccentricities smaller than ∼0.1 and an excess of larger eccentricities. We further find that the proper eccentricities do not depend significantly on asteroid size but have strong dependence on heliocentric distance; the outer asteroid belt follows a Rayleigh distribution, but the inner belt is strikingly different. Eccentricities in the inner belt can be modelled as a vector sum of a primordial eccentricity vector of random orientation and magnitude drawn from a Rayleigh distribution of parameter ∼0.06, and an excitation of random phase and magnitude ∼0.13. These results imply that when a late dynamical excitation of the asteroids occurred, it was independent of asteroid size and was stronger in the inner belt than in the outer belt. We discuss implications for the primordial asteroid belt and suggest that the observationally complete sample size of main belt asteroids is large enough that more sophisticated model-fitting of the eccentricities is warranted and could serve to test alternative theoretical models of the dynamical excitation history of asteroids and its links to the migration history of the giant planets.

  7. Update on an Interstellar Asteroid

    Science.gov (United States)

    Kohler, Susanna

    2018-01-01

    Whats the news coming from the research world on the interstellar asteroid visitor, asteroid 1I/Oumuamua? Read on for an update from a few of the latest studies.What is Oumuamua?In lateOctober2017, the discovery of minor planet 1I/Oumuamua was announced. This body which researchers first labeled asa comet and later revised to an asteroid had just zipped around the Sun and was already in the process of speeding away whenwe trained our telescopes on it. Its trajectory, however, marked it as being a visitor from outside our solar system: the first knownvisitorof its kind.Since Oumuamuasdiscovery, scientists have been gathering as many observations of this bodyas possible before it vanishes into the distance. Simultaneously, theorists have leapt at the opportunity to explain its presence and the implications its passage has on our understanding of our surroundings. Here we present just a few of the latest studies that have been published on this first detected interstellar asteroid including several timelystudies published in our new journal, Research Notes of the AAS.The galactic velocity of Oumuamua does not coincide with any of the nearest stars to us. [Mamajek 2018]Where Did Oumuamua Come From?Are we sure Oumuamua didnt originate in our solar system andget scattered into a weird orbit? Jason Wright (The Pennsylvania State University) demonstrates via a series of calculations that no known solar system body could have scattered Oumuamua onto its current orbit nor could any stillunknown object bound to our solar system.Eric Mamajek (Caltech and University of Rochester) showsthat thekinematics of Oumuamua areconsistent with what we might expect of interstellar field objects, though he argues that its kinematics suggest its unlikely to have originated from many of the neareststellar systems.What AreOumuamuas Properties?Oumuamuas light curve. [Bannister et al. 2017]A team of University of Maryland scientists led by Matthew Knight captured a light curve of Oumuamua using

  8. On the possibility of using small asteroids for deflecting near-Earth asteroids

    Science.gov (United States)

    Akiyama, Yuki; Bando, Mai; Hokamoto, Shinji

    2016-04-01

    This paper presents the trajectory design and analysis of the near-Earth asteroid (NEA) deflection mission enabled by a kinetic impact of an intermediate asteroid. The sequential transfer trajectory is designed by solving two Lambert's problems that yield a chain collision between a spacecraft and an intermediate asteroid, followed by a collision between the intermediate asteroid and an NEA. The characteristics of the low-cost trajectories are then identified with respect to the optimal collision point. We show that the feasibility of the mission depends on the existence of an intermediate asteroid with small minimum orbit interception distance (MOID) with the NEA. Moreover the selection strategy of an intermediate asteroid that makes the mission feasible is discussed. We show that several asteroids exist that allow a 10 ton spacecraft with limited ΔV to be launched and impact the NEA 99442 Apophis allowing a deflection given several years warning time.

  9. SynDIG1 promotes excitatory synaptogenesis independent of AMPA receptor trafficking and biophysical regulation.

    Directory of Open Access Journals (Sweden)

    Kathryn L Lovero

    Full Text Available AMPA receptors-mediators of fast, excitatory transmission and synaptic plasticity in the brain-achieve great functional diversity through interaction with different auxiliary subunits, which alter both the trafficking and biophysical properties of these receptors. In the past several years an abundance of new AMPA receptor auxiliary subunits have been identified, adding astounding variety to the proteins known to directly bind and modulate AMPA receptors. SynDIG1 was recently identified as a novel AMPA receptor interacting protein that directly binds to the AMPA receptor subunit GluA2 in heterologous cells. Functionally, SynDIG1 was found to regulate the strength and density of AMPA receptor containing synapses in hippocampal neurons, though the way in which SynDIG1 exerts these effects remains unknown. Here, we aimed to determine if SynDIG1 acts as a traditional auxiliary subunit, directly regulating the function and localization of AMPA receptors in the rat hippocampus. We find that, unlike any of the previously characterized AMPA receptor auxiliary subunits, SynDIG1 expression does not impact AMPA receptor gating, pharmacology, or surface trafficking. Rather, we show that SynDIG1 regulates the number of functional excitatory synapses, altering both AMPA and NMDA receptor mediated transmission. Our findings suggest that SynDIG1 is not a typical auxiliary subunit to AMPA receptors, but instead is a protein critical to excitatory synaptogenesis.

  10. Discontinuous Inter-Granular Separations (DIGS) in the Gas Nitride Layer of ISS Race Rings

    Science.gov (United States)

    Figert, John; Dasgupta, Rajib; Martinez, James

    2010-01-01

    The starboard solar alpha rotary joint (SARJ) race ring on the International space station (ISS) failed due to severe spalling of the outer diameter, 45 degree (outer canted) nitrided surface. Subsequent analysis at NASA-KSC revealed that almost all of the debris generated due to the failure was nitrided 15-5 stainless steel. Subsequent analysis of the nitride control coupons (NCC) at NASA-JSC revealed the presence of discontinuous inter-granular separations (DIGS) in the gas nitride layer. These DIGS were present in the inter-granular networking located in the top 2 mils of the nitride layer. The manufacturer's specification requires the maximum white structure to be 0.0003 inches and intergranular networking below the allowable white structure depth to be cause for rejection; a requirement that the NCCs did not meet. Subsequent testing and analysis revealed that lower DIGS content significantly lowered the probability of nitride spalling in simulated, dry condition runs. One batch of nitride samples with DIGS content similar to the port SARJ (did not fail on orbit) which exhibited almost no nitride spalling after being run on one test rig. Another batch of nitride samples with DIGS content levels similar to the starboard SARJ exhibited significant nitride spalling on the same test rig with the same load under dry conditions. Although DIGS were not the root cause of starboard race ring failure, testing indicates that increased DIGS reduced the robustness of the gas nitride layer under dry operating conditions.

  11. Spitzer Survey of the Karin Cluster Asteroids

    NARCIS (Netherlands)

    Harris, Alan W.; Mueller, M.; Lisse, C.; Cheng, A.; Osip, D.

    2007-01-01

    The Karin cluster is one of the youngest known families of main-belt asteroids, dating back to a collisional event only 5.8 Myr ago. Using the Spitzer Space Telescope we have sampled the thermal continua of 17 Karin cluster asteroids, down to the smallest members discovered so far, in order to

  12. [Asteroid hyalopathy (benson's disease): about a case].

    Science.gov (United States)

    Bienvenu, Yogolelo Asani; Angel, Musau Nkola; Leon, Kabamba Ngombe; Socrate, Kapalu Mwangala; Bruno, Iye Ombamba Kayimba; Gaby, Chenge Borasisi

    2017-01-01

    We here report a case of a 58 year-old diabetic male patient with asteroid hyalopathy, an affection rarely described in the literature. This study can help focus the attention of scientists on the pathologies of the vitreous disorders in diabetic patients as well as on other systemic diseases asteroid hyalopathy may be associated with.

  13. Basaltic Asteroids in the Solar System

    Science.gov (United States)

    Duffard, René

    2009-09-01

    Basaltic asteroids are small bodies connected to the processes of heating and melting that may have led to the mineralogical differentiation in the interiors of the largest asteroids. Therefore, a precise knowledge of the inventory of basaltic asteroids may help to estimate how many differentiated bodies actually formed in the asteroid Main Belt and this in turn may provide important constraints to the primordial conditions of the solar nebula. The identification of basaltic asteroids in the asteroid Main Belt and the description of their surface mineralogy are necessary to understand the diversity in the collection of basaltic meteorites. In this work the current work of our team is presented: (i) The mineralogical characterization of the Vesta family members; (ii) The search of new basaltic asteroids in the Main Belt. In the first case, the objective is to characterize the material excavated from the craterization event/s in the crust of Vesta. This work is related to the possible findings of DAWN mission when it arrives to Vesta in 2011. In the second case, the objective is to find the link between the diversity of basaltic material in the meteorite collection and the asteroids.

  14. Asteroid-Deepsky Appulses in 2018

    Science.gov (United States)

    Warner, Brian D.

    2018-01-01

    The following list is a very small subset of the results of a search for asteroid-deepsky appulses for 2018, presenting only the highlights for the year based on close approaches of brighter asteroids to brighter DSOs. The complete set of predictions is available at http://www.minorplanet.info/ObsGuides/Appulses/DSOAppulses.htm

  15. Lightcurve Photometry of Six Asteroids

    Science.gov (United States)

    Ferrero, Andrea

    2012-07-01

    Observations from 2012 January to March lead to the determination of the rotation periods for six main-belt asteroids: 33 Polyhymnia, P = 18.604 ± 0.004 h; 467 Laura, P = 37.4 ± 0.1 h; 825 Tanina, P = 6.940 ± 0.001 h; 1421 Esperanto, P = 21.982 ± 0.005 h; 3481 Xianglupeak, P = 5.137 ± 0.003 h; and 4350 Shibecha, which had two possible solutions, P = 2.890 ± 0.001 h and P = 5.778 ± 0.002 h.

  16. Planetary geology: Impact processes on asteroids

    Science.gov (United States)

    Chapman, C. R.; Davis, D. R.; Greenberg, R.; Weidenschilling, S. J.

    1982-01-01

    The fundamental geological and geophysical properties of asteroids were studied by theoretical and simulation studies of their collisional evolution. Numerical simulations incorporating realistic physical models were developed to study the collisional evolution of hypothetical asteroid populations over the age of the solar system. Ideas and models are constrained by the observed distributions of sizes, shapes, and spin rates in the asteroid belt, by properties of Hirayama families, and by experimental studies of cratering and collisional phenomena. It is suggested that many asteroids are gravitationally-bound "rubble piles.' Those that rotate rapidly may have nonspherical quasi-equilibrium shapes, such as ellipsoids or binaries. Through comparison of models with astronomical data, physical properties of these asteroids (including bulk density) are determined, and physical processes that have operated in the solar system in primordial and subsequent epochs are studied.

  17. Measurement of Cohesion in Asteroid Regolith Materials

    Science.gov (United States)

    Kleinhenz, Julie; Gaier, James; Waters, Deborah; Harvey, Ralph; Zeszut, Zoe; Carreno, Brandon; Shober, Patrick

    2017-01-01

    There is increasing evidence that a large fraction of asteroids, and even Phobos, have such low densities (asteroids are thought to be made up of unconsolidated smaller particles of varying size referred to as rubble piles. Images of the asteroid Itokawa reinforce this hypothesis. What holds the rubble piles together? Gravitational forces alone are not strong enough to hold together rubble pile asteroids, at least not those that are rapidly spinning Van der Waals forces and or Electrostatic forces must therefore be responsible for holding them together. Previous work suggests that electrostatic forces, which are orders of magnitude stronger are far more likely. Charge build-up is a likely consequence of the interaction of airless bodies with the solar wind plasma, analogous to what has been proposed to occur on the moon. Objective: Experimentally measure cohesive forces relevant to those holding rubble pile asteroids together

  18. The asteroids as outcomes of catastrophic collisions

    Energy Technology Data Exchange (ETDEWEB)

    Farinella, P. (Osservatorio Astronomico di Brera, Merate, Italy); Paolicchi, P.

    1982-12-01

    The role of catastrophic collisions in the evoloution of the asteroids is discussed in detail, employing extrapolations of experimental results on the outcome of high velocity-impacts. The probability of impacts with a given projectile-to-target mass ratio for asteroids of different sizes is derived, taking into account different mass distributions of the asteroid population at the beginning of the collision process. The extrapolations show that collisional breakup against solid-state cohesions must be a widespread process for asteroids. The influence of self-gravitation and transfer of angular momentum during collision is shown to depend strongly on the traget size, resulting in a variety of possible outcomes in the intermediate size range. Comparason of the theoretical results with observations of asteroid rotations and shapes yields favorable results.

  19. Effect of the presence of brood and fungus on the nest architecture and digging activity of Acromyrmex subterraneus Forel (Hymenoptera, Formicidae

    Directory of Open Access Journals (Sweden)

    Carlos Magno dos Santos

    Full Text Available ABSTRACT This study investigated the stimuli that trigger digging behavior in Acromyrmex subterraneus during nest building. The hypothesis was that the presence of the fungus garden and/or brood triggers the excavation of tunnels and chambers. For the experiment, the excavation rate of individually marked workers kept in plastic cylinders filled with soil was recorded. Four treatments were applied: (1 30 medium-sized workers, 5 g fungus garden and 30 brood items (larvae and pupae; (2 30 medium-sized workers and 5 g fungus garden; (3 30 medium-sized workers and 30 brood items; (4 30 medium-sized workers without fungus and brood. After 24 h, morphological parameters of nest structure (length and width of the chambers and tunnels in cm and the volume of excavated soil were recorded. In contrast to the expected findings, no change in morphological structure, rate of excavation by workers, or volume of excavated soil was observed between treatments, except for tunnel width, which was greater, when no brood or fungus garden was present. Thus, the results do not support the hypothesis that the fungus garden and/or brood are local stimuli for nest excavation or that they mold the internal architecture of the nest. Although this hypothesis was confirmed for Acromyrmex lundii and Atta sexdens rubropilosa, the same does not apply to A. subterraneus. The digging behavior of workers is probably the result of adaptation during nest building in different habitats.

  20. Polarimetric observations of Hungaria asteroids

    Science.gov (United States)

    Gil-Hutton, R.; Lazzaro, D.; Benavidez, P.

    2007-06-01

    Aims:We present the results of a polarimetric program at Complejo Astronómico El Leoncito (Casleo), San Juan, Argentina. The aim of this campaign is to estimate the polarimetric properties of asteroids belonging to the Hungaria dynamical group. Methods: The data were obtained with the Casprof polarimeter at the 2.15 m telescope. The Casprof polarimeter is a two-hole aperture polarimeter with rapid modulation. The campaign began in 2000, and data on a sample of 24 members of the Hungaria group were obtained. We use the slope - albedo or P_min - albedo relationships to get polarimetric albedos for 18 of these objects. Results: Only two Xe-type objects, 434 Hungaria and 3447 Burkhalter, shown a polarimetric behavior compatible with a high albedo object. The A-type asteroid 1600 Vyssotsky has a polarimetric behavior similar to what was observed by Fornasier et al. (2006) for 863 Benkolea, and four objects show P_min values consistent with dark surfaces. Based on observations carried out at the Complejo Astronómico El Leoncito, operated under agreement between the Consejo Nacional de Investigaciones Científicas y Técnicas de la República Argentina and the National Universities of La Plata, Córdoba, and San Juan.

  1. Rosetta spacecraft meets asteroid Steins

    Science.gov (United States)

    2008-08-01

    Steins is Rosetta’s first nominal scientific target. The spacecraft will rendezvous with the asteroid in the course of its first incursion into the asteroid belt located between the orbits of Mars and Jupiter, while on its way to comet 67/P Churyumov-Gerasimenko. The study of asteroids is extremely important as they represent a sample of Solar System material at different stages of evolution - key to understanding the origin of our own planet and of our planetary neighbourhood. The closest approach to Steins is due to take place on 5 September at 20:58 CEST (Central European Summer Time), from a distance of 800 km, during which the spacecraft will not be communicating with Earth. First ground contact with the spacecraft and announcement of successful fly-by will take place at 22:23 CEST. The first data and images collected by Rosetta will be sent to Earth throughout the night of 5 to 6 September and will undergo preliminary processing in the morning of 6 September. The first images will be made available for broadcasters via a special satellite feed on Saturday 6 September (details will be given on http://television.esa.int). To register for the events, please use the attached form. The press conference on 6 September will also be streamed on the ESA web: at http://www.esa.int/rosetta. Rosetta Steins Fly-By Doors open to the media 5 September 2008, 18:00, Building K ESA-ESOC Robert-Bosch Strasse 5, 64293 Darmstadt, Germany 18:00 - Doors open 18:00 - 19:00 Interview opportunities 19:00 - 20:15 Buffet dinner 20:15 - 20:30 The Steins Fly-By, Introduction by Paolo Ferri, Head of Solar and Planetary Missions Division (Mission Operations Dept.), ESA The crucial role of Flight Dynamics, by Trevor Morley, Rosetta Flight Dynamics Team, ESA 20:30 - 21:00 Live from Rosetta’s control room (loss of telemetry signal at 20:47) 22:23 - First telemetry on ground: signal of successful fly-by 23:00 - End of event Rosetta Steins Fly-By Press Conference 6 September 2008, 12

  2. Digging a Vegetarian Diet: Plant-Based Eating Can Reap Rewards

    Science.gov (United States)

    ... Subscribe July 2012 Print this issue Digging a Vegetarian Diet Plant-Based Eating Can Reap Rewards Send ... Claims About Cocoa Wise Choices Tips for a Vegetarian Diet Meet protein needs by eating a variety ...

  3. Digging Into the Mysteries of Delirium | NIH MedlinePlus the Magazine

    Science.gov (United States)

    ... turn JavaScript on. Feature: Delirium Research Digging Into the Mysteries of Delirium Past Issues / Fall 2015 Table ... by delirium experience its effects for weeks after the first occurrence. Why is this? That's part of ...

  4. Asteroid Redirection Mission Evaluation Using Multiple Landers

    Science.gov (United States)

    Bazzocchi, Michael C. F.; Emami, M. Reza

    2018-01-01

    In this paper, a low-thrust tugboat redirection method is assessed using multiple spacecraft for a target range of small near-Earth asteroids. The benefits of a landed configuration of tugboat spacecraft in formation are examined for the redirection of a near-Earth asteroid. The tugboat method uses a gimballed thruster with a highly collimated ion beam to generate a thrust on the asteroid. The target asteroid range focuses on near-Earth asteroids smaller than 150 m in diameter, and carbonaceous (C-type) asteroids, due to the volatiles available for in-situ utilization. The assessment focuses primarily on the three key parameters, i.e., the asteroid mass redirected, the timeframe for redirection, and the overall system cost. An evaluation methodology for each parameter is discussed in detail, and the parameters are employed to determine the expected return and feasibility of the redirection mission. The number of spacecraft employed is optimized along with the electrical power needed for each spacecraft to ensure the highest possible return on investment. A discussion of the optimization results and the benefits of spacecraft formation for the tugboat method are presented.

  5. Identifying asteroid families >2 Gyrs-old

    Science.gov (United States)

    Bolin, Bryce T.; Morbidelli, Alessandro; Delbo, Marco; Walsh, Kevin J.

    2017-10-01

    There are only a few known Main Belt (MB) asteroid families with ages >2 Gyr. The lack of ancient families may be due to a bias in current techniques used to identify families. Ancient asteroid family fragments disperse in their orbital elements (a,e,i), due to secular resonances and the Yarkovsky effect (YE) making them difficult to identify. We have developed a new technique that is insensitive to the resonant spreading of fragments in e and i by searching for V-shaped correlations between family members in a vs 1/Diameter space. Our V-shape technique is demonstrated on known families and used to discover a 4 Gyr-old family linking most dark asteroids in the inner MB previously not included in any known family. In addition, the 4 Gyr-old family reveals asteroids with D >35 km that are do not belong to any asteroid family implying that they originally accreted from the protoplanetary disk.The V-shape detection tool is also a powerful analysis tool by finding the boundary of an asteroid family and fitting for its shape. Following the proposed relationship between thermal inertia (TI) with D, we find that asteroids YE drift rate might have a more complex size dependence than previous thought, leading to a curved family boundary in a vs 1/D space. The V-shape tool is capable of detecting this on synthetic families and was deployed on >30 families located throughout the MB to find this effect and quantify the YE size-dependent drift rate. We find that there is no correlation between family age and V-shape curvature. In addition, the V-shape curvature decreases for asteroid families with larger a suggesting that the relationship between TI and D is weaker in the outer MB.By examining families asteroid families have initial velocity fields scaling with 1/D supporting impact experiments.

  6. Migration of Asteroidal Dust Particles

    Science.gov (United States)

    Ipatov, S. I.; Mather, J. C.; Taylor, P. A.

    2003-08-01

    We numerically investigated the migration of dust particles with initial velocities and positions same as those of the numbered asteroids using the Bulirsh-Stoer method of integration and took into account the gravitational influence of 8 planets, radiation pressure, Poynting-Robertson drag and solar wind drag, for values of the ratio between the radiation pressure force and the gravitational force β equal to 0.01, 0.05, 0.1, 0.25, and 0.4. For silicate particles such values of β correspond to diameters of 40, 9, 4, 1.6, and 1 microns, respectively. For each β >= 0.05 we considered N=500 particles (N=250 for β =0.01). In our runs, planets were considered as material points, but, based on orbital elements obtained with a step of probability of a collision of a particle with a terrestrial planet during the lifetime of the particle. For smaller particles, the ratio of the number of particles that collided with the Sun to the total number of simulated particles and the probability of collisions of particles with the terrestrial planets are smaller. The probability of a collision of a migrating dust particle with the Earth for β =0.01 is greater by a factor of 220 than for β =0.4. The mean time ta during which an asteroidal dust particle had a semi-major axis 'a' in intervals with a fixed width is greater for smaller β (for the same initial number of particles) at a3.5 AU than at 'a' between 1 and 3 AU, and are usually maximum at 'a' about 2.3 AU. For β =0.01 the local maxima of ta corresponding to the 5:6, 6:7, 3:4, and 2:3 resonances with the Earth are greater than the maximum at 2.4 AU. The peaks in distribution of migrating asteroidal dust particles with semi-major axis corresponding to the n/(n+1) resonances with Earth and Venus and the gaps associated with the 1:1 resonances with these planets are more pronounced for larger particles. The spatial density of a simulated dust cloud and its luminosity (as seen from outside) were greater for smaller distance

  7. Spectroscopy of near-Earth asteroids

    DEFF Research Database (Denmark)

    Michelsen, René; Nathues, Andreas; Lagerkvist, Claes-Ingvar

    2006-01-01

    We present spectra and taxonomic classifications of 12 Near-Earth Asteroids (NEAs) and 2 inner Main Belt asteroids. The observations were carried out with the ESO 3.5 m NTT and the Danish 1.54 m telescope at La Silla, Chile. Eleven of the investigated NEAs belong to the S class while only one C......-type has been identified. Two NEAs were observed at phase angles larger than 60 degrees introducing significant phase reddening. In order to allow for comparisons between spectra of asteroids observed at different phase angles we make attempts to correct for this effect. However, it turned out...

  8. Chemical, thermal and impact processing of asteroids

    Science.gov (United States)

    Scott, E. R. D.; Taylor, G. J.; Newsom, H. E.; Herbert, F.; Zolensky, M.

    1989-01-01

    The geological effects of impacts, heating, melting, core formation, and aqueous alteration on asteroids are reviewed. A review of possible heat sources appears to favor an important role for electrical induction heating. The effects of each geologic process acting individually and in combination with others, are considered; it is concluded that there is much evidence for impacts during alteration, metamorphism and melting. These interactions vastly increased the geologic diversity of the asteroid belt. Subsequent impacts of cool asteroids did not reduce this diversity. Instead new rock types were created by mixing, brecciation and minor melting.

  9. PRIMitive Asteroids Spectroscopic Survey - PRIMASS: Current Status

    Science.gov (United States)

    Pinilla-Alonso, Noemí; de León, Julia; Morate, David; de Prá, Mario; Lorenzi, Vania; Licandro, Javier; Campins, Humberto; Ali-Lagoa, Victor

    2017-10-01

    Primitive asteroids contain the most pristine material that gave birth to the rocky planets. Interest in spectral data from primitive asteroids that could be the source of the primitive near-Earth asteroids (NEAs) has increased in anticipation of the two sample-return missions that will reach their targets in the next four years and bring samples to the Earth within five years. Concurrently, the discovery of water ice on the surfaces of two primitive asteroids (24 Themis and 65 Cybele) placed the focus on the outer-belt (orbits with semi-major axis larger than 2.82 AU), where more asteroids could harbor water ice on, or below the surface.In 2010 we started a survey, called the PRIMitive Asteroids Spectroscopic Survey (PRIMASS), to collect spectra of primitive asteroids all through the Solar System. Up to now, PRIMASS library (PRIMASS-L) contains more than 530 spectra (0.4 - 2.5 μm) of primitive asteroids (> 90% of the asteroids had no spectroscopic data before) in the inner and outer belt. The aim of this survey is to provide the community with a comprehensive collection of data that enable us to study the surface composition of primitive asteroids by means of visible and near-infrared spectroscopy.Our plans for the close future include making PRIMASS-L publicly available in proper timing to be used by the teams of the OSIRIS-REx (NASA) and Hayabusa 2 (JAXA) missions. These missions will characterize two primitive near-Earth asteroids in detail, and the Earth-based libraries, as PRIMASS-L, will establish the broader framework and maximize the value of the spacecraft results. PRIMASS-L will also serve as a quality-check database for the Gaia spectroscopic products that will be published in its final release, by the end of the nominal mission in 2019.In parallel, we plan to continue observing at least for four more semesters (up to semester 2019A). After almost 10 years of data acquisition, the PRIMASS database will contain about 700 spectra of primitive asteroids

  10. Near Earth Asteroids- Prospection, Orbit Modification and Mining

    Science.gov (United States)

    Grandl, W.; Bazso, A.

    2014-04-01

    The number of known Near Earth Asteroids (NEAs) has increased continuously during the last decades. Now we understand the role of asteroid impacts for the evolution of life on Earth. To ensure that mankind will survive in the long run, we have to face the "asteroid threat" seriously. On one hand we will have to develop methods of detection and deflection for Hazardous Asteroids, on the other hand we can use these methods to modify their orbits and exploit their resources. Rare-earth elements, rare metals like platinum group elements, etc. may be extracted more easily from NEAs than from terrestrial soil, without environmental pollution or political and social problems. In a first step NEAs, which are expected to contain resources like nickel-iron, platinum group metals or rare-earth elements, will be prospected by robotic probes. Then a number of asteroids with a minimum bulk density of 2 g/cm^3 and a diameter of 150 to 500 m will be selected for mining. Given the long duration of an individual mission time of 10-20 years, the authors propose a "pipeline" concept. While the observation of NEAs can be done in parallel, the precursor missions of the the next phase can be launched in short intervals, giving time for technical corrections and upgrades. In this way a continuous data flow is established and there are no idle times. For our purpose Potentially Hazardous Asteroids (PHAs) seem to be a favorable choice for the following reasons: They have frequent closeencounters to Earth, their minimum orbit intersection distance is less than 0.05 AU (Astronomic Units) and they have diameters exceeding 150 meters. The necessary velocity change (delta V) for a spaceship is below 12 km/s to reach the PHA. The authors propose to modify the orbits of the chosen PHAs by orbital maneuvers from solar orbits to stable Earth orbits beyond the Moon. To change the orbits of these celestial bodies it is necessary to develop advanced propulsion systems. They must be able to deliver high

  11. Asteroid Ida and its Satellite Dactyl in Enhanced Color

    Science.gov (United States)

    1995-01-01

    During its examination of the asteroid Ida, the Galileo spacecraft returned images of a second object, Dactyl--the first confirmed satellite or moon of an asteroid; the much smaller moon is visible to the right of Ida. Asteroids are small interplanetary bodies of rock or metal that mostly orbit the Sun in a belt between Mars and Jupiter, but others are known elsewhere in the solar system. The Galileo spacecraft surveyed Ida in 1993 on its way to explore the Jupiter system in 1995-97. This color picture was made from images taken by the imaging system on the Galileo spacecraft about 14 minutes before its closest approach to asteroid 243 Ida on August 28, 1993. The range from the spacecraft was about 10,500 kilometers (6,500 miles). The images used are from the sequence in which Ida's moon 1993 (2433)1 Dactyl was discovered. This picture contains images through the 4100-angstrom (violet), 7560 A (infrared) and 9680 A (infrared) filters. The color is 'enhanced' in the sense that the CCD camera is sensitive to near infrared wavelengths of light beyond human vision; a 'natural' color picture of this asteroid would appear mostly gray. Shadings in the image indicate changes in illumination angle on the many steep slopes of this irregular body as well as subtle color variations due to differences in the physical state and composition of the soil (regolith). There are brighter areas, appearing bluish in the picture, around craters on the upper left end of Ida, around the small bright crater near the center of the asteroid, and near the upper right-hand edge (the limb). This combination of more reflected blue light and greater absorption of near infrared light, suggest a difference in the abundance or composition of iron-bearing minerals in these areas. Ida's moon also has a deeper near-infrared absorption and a different color in the violet than any area on this side of Ida. The moon is not identical in spectral properties to any area of Ida in view here, though its overall

  12. ASTEROID OCCULTATIONS V13.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all reported timings of observed asteroid, planet, and planetary satellite occultation events as well as occultation axes...

  13. ASTEROID OCCULTATIONS V10.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all reported timings of observed asteroid, planet, and planetary satellite occultation events as well as occultation axes...

  14. ASTEROID RADAR V10.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all published groundbased asteroid radar detections. The entries were collected by Steven J. Ostro, and selected data have been...

  15. Asteroid Occultations V1.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all reported timings of observed asteroid, planet, and planetary satellite occultation events as well as occultation axes...

  16. ASTEROID RADAR V5.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all groundbased asteroid radar detections. These entries were collected by Steven J. Ostro (1989) [OSTRO1989] and selected data...

  17. ASTEROID RADAR V13.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all published groundbased asteroid radar detections. The entries were collected by Steven J. Ostro, and selected data have been...

  18. ASTEROID RADAR V1.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This dataset is intended to include all asteroid radar detections. An entry for each detection reports radar cross-section and circular polarization, if known, as...

  19. ASTEROID MASSES V3.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This collection of asteroid masses and densities was compiled from the published literature by Jim Baer, Steve Chesley, and Dan Britt. Size and shape information are...

  20. ASTEROID OCCULTATIONS V14.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set is intended to include all reported timings of observed asteroid, planet, and planetary satellite occultation events as well as occultation axes...