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May 31, 2011
05/11
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Goodrich, R. G.; Pullam, B.; Rickle, D.; Litchford, R. J.; Robertson, G. A.; Schmidt, D. D
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Basic research on advanced plasma-based propulsion systems is routinely focused on plasmadynamics, performance, and efficiency aspects while relegating the development of critical enabling technologies, such as flight-weight magnets, to follow-on development work. Unfortunately, the low technology readiness levels (TRLs) associated with critical enabling technologies tend to be perceived as an indicator of high technical risk, and this, in turn, hampers the acceptance of advanced system...
Topics: LOW EARTH ORBITS, PROPELLANT STORAGE, GEOSYNCHRONOUS ORBITS, EXTRATERRESTRIAL RESOURCES
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Sep 20, 2010
09/10
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Anderson, J. R
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The performance of a broad-beam, three-grid, ion extraction system incorporating radio frequency (RF) mass discrimination was investigated experimentally. This testing demonstrated that the system, based on a modified single-stage Bennett mass spectrometer, can discriminate between ionic species having about a 2-to-1 mass ratio while producing a broad-beam of ions with low kinetic energy (less than 15 eV). Testing was conducted using either argon and krypton ions or atomic and diatomic oxygen...
Topics: EXTRATERRESTRIAL RESOURCES, FABRICATION, MANUFACTURING, MOON, TRADEOFFS, MATERIALS, MINERALS,...
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Sep 20, 2010
09/10
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Dix, Terry E
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The results of a study to identify potential hazards arising from nuclear reactor power systems for use on the lunar and Martian surfaces, related safety issues, and resolutions of such issues by system design changes, operating procedures, and other means are presented. All safety aspects of nuclear reactor power systems from prelaunch ground handling to eventual disposal were examined consistent with the level of detail for SP-100 reactor design at the 1988 System Design Review and for launch...
Topics: CULTURE (SOCIAL SCIENCES), EXTRATERRESTRIAL RESOURCES, LUNAR BASES, MOON, SOCIAL FACTORS, SPACE...
This volume contains abstracts that have been accepted for presentation at the Space Resources Utilization Roundtable, October 27-29, 1999, in Golden, Colorado. The program committee consisted of M. B. Duke (Lunar and Planetary Institute), G. Baughman (Colorado School of Mines), D. Criswell (University of Houston), C. Graham (Canadian Mining Industry Research Organization), H. H. Schmitt (Apollo Astronaut), W. Sharp (Colorado School of Mines), L. Taylor (University of Tennessee), and a space...
Topics: NASA Technical Reports Server (NTRS), SPACE MANUFACTURING, EXTRATERRESTRIAL RESOURCES, LUNAR...
An ideal method of construction in space would utilize some form of the Universal Differentiator and Universal Constructor as described by Von Neumann (1). The Universal Differentiator is an idealized non ore specific extractive device which is capable of breaking any ore into its constituent elements, and the Universal Constructor can utilize these elements to build any device with controllability to the nanometer scale. During the Human Exploration Initiative program in the early 1990s a...
Topics: NASA Technical Reports Server (NTRS), SOLAR CELLS, CONSTRUCTION, EXTRATERRESTRIAL RESOURCES,...
The organizational and administrative structure of the CaSGC has the Consortium Headquarters Office (Principal Investigator - Dr. John Kosmatka, California Statewide Director - Dr. Michael Wiskerchen) at UC San Diego. Each affiliate member institution has a campus director and an scholarship/fellowship selection committee. Each affiliate campus director also serves on the CaSGC Advisory Council and coordinates CMIS data collection and submission. The CaSGC strives to maintain a balance between...
Topics: NASA Technical Reports Server (NTRS), COORDINATES, DATA ACQUISITION, EXTRATERRESTRIAL RESOURCES,...
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Jun 11, 2011
06/11
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Kiessling, Ed; Tippett, Donald D.; Shivers, Her
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The Columbia Accident Investigation Board (CAIB) determined that organizational and management issues were significant contributors to the loss of Space Shuttle Columbia. In addition, the CAIB observed similarities between the organizational and management climate that preceded the Challenger accident and the climate that preceded the Columbia accident. To prevent recurrence of adverse organizational and management climates, effective implementation of the system safety function is suggested....
Topics: BIBLIOGRAPHIES, IN SITU RESOURCE UTILIZATION, SPACE EXPLORATION, SPACE LOGISTICS, UNITED STATES,...
The author has specialized in space resources research for many years, with special emphasis on oxygen reduction methods. He has been retained to write a comprehensive review of these methods, detailing advantages and disadvantages, listing by-products and presenting recommendations. As the first step, an extensive outline was prepared, and the portion of this outline covering product manufacture was selected as the initial goal. A working version is presented.
Topics: NASA Technical Reports Server (NTRS), ANNOTATIONS, EXTRATERRESTRIAL RESOURCES, FUEL PRODUCTION,...
The earliest studies of asteroid mining proposed retrieving a main belt asteroid. Because of the very long travel times to the main asteroid belt, attention has shifted to the asteroids whose orbits bring them fairly close to the Earth. In these schemes, the asteroids would be bagged and then processed during the return trip, with the asteroid itself providing the reaction mass to propel the mission homeward. A mission to one of these near-Earth asteroids would be shorter, involve less weight,...
Topics: NASA Technical Reports Server (NTRS), ASTEROID MISSIONS, ASTEROIDS, EXTRATERRESTRIAL RESOURCES,...
Now that the National Commission on Space has set out bold goals and strategies for the American space program in the nest 50 years, how these visions can be turned into reality is examined. Since the Challenger tragedy and other space failures have brought about a crisis of confidence at NASA, innovations are necessary to rebuild public consensus and support. Initiatives by the private sector must promote the peaceful use of space by its exploration and industrialization. The faculty fellows...
Topics: NASA Technical Reports Server (NTRS), NASA PROGRAMS, SPACE EXPLORATION, SPACE INDUSTRIALIZATION,...
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Jun 19, 2010
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Conference on using extraterrestrial resources to support interplanetary flight
Topics: CONFERENCES, EXTRATERRESTRIAL ENVIRONMENT, INTERPLANETARY FLIGHT, LUNAR EXPLORATION,...
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In conjunction with NASA Marshall Space Flight Center and several major aerospace corporations the University of Minnesota has developed a scenario to place humans on Mars by the year 2016. The project took the form of a year-long design course in the senior design curricula at the University's Aerospace Engineering and Mechanics Department. Students worked with the instructor, teaching assistants and engineers in industry to develop a vehicle and the associated mission profile to fulfill the...
Topics: CULTURE (SOCIAL SCIENCES), MOON, PIONEER SPACE PROBES, EXTRATERRESTRIAL RESOURCES, SOLAR SYSTEM,...
The Planetary Science Institute (PSI) was funded by SERCulpr to develop a communication network to alert observers of newly discovered near-earth asteroids (NEA's). This network is intended to encourage observers to obtain physical observations of NEA's, which are needed in order to characterize and assess the resource potential of these bodies. This network was declared operational in October 1990 via an announcement to the asteroid observing community. The PSI is also supported to develop the...
Topics: NASA Technical Reports Server (NTRS), ASTEROIDS, COMMUNICATION NETWORKS, DATA BASES,...
Creating large space habitats by launching all materials from Earth is prohibitively expensive. Using space resources and space based labor to build space solar power satellites can yield extraordinary profits after a few decades. The economic viability of this program depends on the use of space resources and space labor. To maximize the return on the investment, the early use of high density bolo habitats is required. Other shapes do not allow for the small initial scale required for a quick...
Topics: NASA Technical Reports Server (NTRS), ECONOMICS, SPACE HABITATS, SOLAR POWER SATELLITES,...
In 1987, responding to widespread concern about America's competitiveness and future in the development of space technology and the academic preparation of our next generation of space professionals, NASA initiated a program to establish Space Engineering Research Centers (SERC's) at universities with strong doctoral programs in engineering. The goal was to create a national infrastructure for space exploration and development, and sites for the Centers would be selected on the basis of...
Topics: NASA Technical Reports Server (NTRS), EXTRATERRESTRIAL RESOURCES, LUNAR RESOURCES, MATERIALS...
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Jul 12, 2010
07/10
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SALERNO, L. J.; KITTEL, P.; SPIVAK, A. L
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THE THERMAL CONDUCTANCE OF OXYGEN-FREE HIGH CONDUCTIVITY (OFHC) COPPER SAMPLE PAIRS WITH SURFACE FINISHES RANGING FROM 0.1 TO 1.6-MICROMETERS RMS ROUGHNESS WAS INVESTIGATED OVER THE RANGE OF 1.6 TO 6.0-K UNDER APPLIED CONTACT FORCES UP TO 670 N. THE THERMAL CONDUCTANCE INCREASES WITH INCREASING CONTACT FORCE; HOWEVER, NO CORRELATION CAN BE DRAWN WITH RESPECT TO SURFACE FINISH.
Topics: EXTRATERRESTRIAL RESOURCES, SPACE COMMERCIALIZATION, SPACE PROCESSING, LUNAR BASES, MOON, SPACE...
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Jul 11, 2010
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GONCHAROVA, I. A.; KHOMENKO, A. N.; SEMENOV, A. D
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THE SAMPLE, 0.51 H2O, MADE ALKALINE TO PH 8-9, WAS EVAPORATED TO DRYNESS AND DRIED AT 60 DEG; THE RESIDUE WAS DISSOLVED IN 1:1 HCL AND EXTRACTED TWO TIMES WITH 50 ML ETHER. THE ETHER EXTRACT WAS NEUTRALIZED WITH 0.01 N NAOH, THE ETHER WAS REMOVED, AND THE AQUEOUS PHASE WAS EVAPORATED TO A L ML VOLUME, ACIDIFIED WITH H2S04, AND PASSED THROUGH A COLUMN FILLED WITH SIO2. THE ACIDS WERE SEPARATED INTO FOUR FRACTIONS (A,B,C,D) BY SUBSEQUENT ELUTION WITH 5, 10, 20, AND 30 PERCENT BUOH IN CHCL3 AND...
Topics: EXTRATERRESTRIAL LIFE, SPACE LAW, SPACECRAFT CONFIGURATIONS, INTERSTELLAR COMMUNICATION,...
The HEDS-UP (Human Exploration and Development of Space-University Partners) program has been instituted to build new relationships between university faculty and students and NASA in support of the Human Exploration and Development of Space. The program provides a mechanism whereby university students can explore problems of interest to NASA through student design projects, led by a university professor or mentor, and aided by the HEDSUP staff. HEDS-UP advises on the type of project that is of...
Topics: NASA Technical Reports Server (NTRS), MARS EXPLORATION, LUNAR EXPLORATION, CONFERENCES, UNIVERSITY...
The second year of a multiyear research program on the processing and use of extraterrestrial resources is covered. The research tasks included: (1) silicate processing, (2) magma electrolysis, (3) vapor phase reduction, and (4) metals separation. Concomitant studies included: (1) energy systems, (2) transportation systems, (3) utilization analysis, and (4) resource exploration missions. Emphasis in fiscal year 1982 was placed on the magma electrolysis and vapor phase reduction processes (both...
Topics: NASA Technical Reports Server (NTRS), ELECTROLYSIS, EXTRATERRESTRIAL RESOURCES, MAGMA, METALS,...
During the past year significant progress included: a major breakthrough in oxygen production through discs (instead of tubes) that resulted in two orders-of-magnitude increase in the yield rates, proving that oxygen production from any iron-bearing silicate (avoiding costly beneficiation) in lunar in-situ resource utilization (ISRU); construction of a half-scale robotic soil processor; production of melt-spun fibers in a solar furnace; and the culmination of first-stage research in the...
Topics: NASA Technical Reports Server (NTRS), EXTRATERRESTRIAL RESOURCES, LUNAR SOIL, OXYGEN PRODUCTION,...
The Steward Observatory Asteroid Relational Database (SOARD) was created as a flexible tool for undertaking studies of asteroid populations and sub-populations, to probe the biases intrinsic to asteroid databases, to ascertain the completeness of data pertaining to specific problems, to aid in the development of observational programs, and to develop pedagogical materials. To date, SOARD has compiled an extensive list of data available on asteroids and made it accessible through a single...
Topics: NASA Technical Reports Server (NTRS), ASTEROIDS, ASTRONOMICAL OBSERVATORIES, DATA BASES, CHEMICAL...
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Jun 12, 2011
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NASA software created to help scientists expeditiously search and organize their research documents is now aiding compliance personnel, law enforcement investigators, and the general public in their efforts to search, store, manage, and retrieve documents more efficiently. Developed at Ames Research Center, NETMARK software was designed to manipulate vast amounts of unstructured and semi-structured NASA documents. NETMARK is both a relational and object-oriented technology built on an Oracle...
Topics: IN SITU RESOURCE UTILIZATION, IRON, LUNAR SOIL, DRILLING, CONFERENCES, EXTRATERRESTRIAL RESOURCES,...
Many complex, biologically-derived materials have extremely useful properties (think wood or silk), but are unsuitable for space-related applications due to production, manufacturing, or processing limitations. Large-scale ecosystem-based production, such as raising and harvesting trees for wood, is impractical in a self-contained habitat such as a space station or potential Mars colony. Manufacturing requirements, such as the specialized equipment needed to harvest and process cotton, add too...
Topics: NASA Technical Reports Server (NTRS), SYNTHETIC ARRAYS, PRINTING, IN SITU RESOURCE UTILIZATION,...
Reports covering the period from 1 Nov. 1991 to 31 Oct. 1992 and documenting progress at the NASA Space Engineering Research Center are included. Topics covered include: (1) processing of propellants, volatiles, and metals; (2) production of structural and refractory materials; (3) system optimization discovery and characterization; (4) system automation and optimization; and (5) database development.
Topics: NASA Technical Reports Server (NTRS), EXTRATERRESTRIAL RESOURCES, PLANETARY ENVIRONMENTS, RESEARCH...
Mission definitions and priorities; target selections; program strategy; historical settings; major scientific goals; spacecraft exploration; and planetary missions are examined.
Topics: NASA Technical Reports Server (NTRS), GOALS, MISSION PLANNING, NASA PROGRAMS, PLANETS, SPACE...
In 1987, responding to widespread concerns about both the health of American space technology development and the academic preparation of 21st-century space professionals, NASA announced a nationwide competition to establish a number of Space Engineering Research Centers. These centers were to be founded on the campuses of nine Universities with strong Doctoral programs in Engineering. Over 115 proposals were received by NASA in November 1987. The University of Arizona's proposal was selected...
Topics: NASA Technical Reports Server (NTRS), EXTRATERRESTRIAL RESOURCES, LUNAR RESOURCES, MATERIALS...
Two contemporary issues foretell a shift from our historical Earth based industrial economy and habitation to a solar system based society. The first is the limits to Earth s carrying capacity, that is the maximum number of people that the Earth can support before a catastrophic impact to the health of the planet and human species occurs. The simple example of carrying capacity is that of a bacterial colony in a Petri dish with a limited amount of nutrient. The colony experiences exponential...
Topics: NASA Technical Reports Server (NTRS), EXTRATERRESTRIAL RESOURCES, STATISTICAL ANALYSIS, POPULATION...
Two contemporary issues foretell a shift from our historical Earth based industrial economy and habitation to a solar system based society. The first is the limits to Earth s carrying capacity, that is the maximum number of people that the Earth can support before a catastrophic impact to the health of the planet and human species occurs. The simple example of carrying capacity is that of a bacterial colony in a Petri dish with a limited amount of nutrient. The colony experiences exponential...
Topics: NASA Technical Reports Server (NTRS), POPULATION THEORY, EXTRATERRESTRIAL RESOURCES, STATISTICAL...
Applications of available terrestrial skills to the gathering of lunar materials and the processing of raw lunar materials into industrial feed stock were investigated. The literature on lunar soils and rocks was reviewed and the chemical processes by which major oxides and chemical elements can be extracted were identified. The gathering of lunar soil by means of excavation equipment was studied in terms of terrestrial experience with strip mining operations on earth. The application of...
Topics: NASA Technical Reports Server (NTRS), EXTRATERRESTRIAL RESOURCES, MOON, SPACE INDUSTRIALIZATION,...
Although the surface of Venus is an extremely hostile environment, at about 50 kilometers above the surface the atmosphere of Venus is the most earthlike environment (other than Earth itself) in the solar system. It is proposed here that in the near term, human exploration of Venus could take place from aerostat vehicles in the atmosphere, and that in the long term, permanent settlements could be made in the form of cities designed to float at about fifty kilometer altitude in the atmosphere of...
Topics: NASA Technical Reports Server (NTRS), VENUS ATMOSPHERE, AIRSHIPS, SPACE COLONIES, PLANETARY BASES,...
Natural feedstocks used for any process are intrinsically variable. They may also contain deleterious components or low concentrations of desired fractions. For these three reasons it is standard industrial practice to beneficiate feedstocks. This is true across all industries which trans-form raw materials into standardized units. On the Moon there are three natural resources: vacuum, radiation and regolith. To utilize in situ resources on the Moon it is reasonable to presume some...
Topics: NASA Technical Reports Server (NTRS), BENEFICIATION, EXTRATERRESTRIAL RESOURCES, IN SITU RESOURCE...
No abstract available
Topics: NASA Technical Reports Server (NTRS), ASTRONAUT PERFORMANCE, HEALTH, HUMAN FACTORS ENGINEERING,...
The use of solar system resources for human industry can be viewed as a natural extension of the continual growth of our species' habitat. Motivations for human activities in space can be discussed in terms of five distinct areas: (1) information processing and collection; (2) materials processing; (3) energy production to meet terrestrial power needs; (4) the use of extraterrestrial materials; and (5) disaster avoidance. When considering 21st-Century activities in space, each of these basic...
Topics: NASA Technical Reports Server (NTRS), ASTEROIDS, EXTRATERRESTRIAL RESOURCES, SPACE EXPLORATION,...
This custom bibliography from the NASA Scientific and Technical Information Program lists a sampling of records found in the NASA Aeronautics and Space Database. The scope of this topic includes technologies for ultimately enabling us to "cut the cord" with Earth for space logistics. This area of focus is one of the enabling technologies as defined by NASA s Report of the President s Commission on Implementation of United States Space Exploration Policy, published in June 2004.
Topics: NASA Technical Reports Server (NTRS), BIBLIOGRAPHIES, IN SITU RESOURCE UTILIZATION, SPACE...
A major emphasis of NASA is to extend and expand human exploration across the solar system. While specific destinations are still being discussed as to what comes first, it is imperative that NASA create new technologies and approaches that make space exploration affordable and sustainable. Critical to achieving affordable and sustainable exploration beyond low Earth orbit (LEO) are the development of technologies and approaches for advanced robotics, power, propulsion, habitats, life support,...
Topics: NASA Technical Reports Server (NTRS), IN SITU RESOURCE UTILIZATION, SPACE COMMERCIALIZATION,...
The utilization of space resources is necessary to not only foster the growth of human activities in space, but is essential to the President s vision of a "sustained and affordable human and robotic program to explore the solar system and beyond." The distribution of resources will shape planning permanent settlements by affecting decisions about where to locate a settlement. Mapping the location of such resources, however, is not the limiting factor in selecting a site for a lunar...
Topics: NASA Technical Reports Server (NTRS), REMOTE SENSING, LUNAR BASES, EXTRATERRESTRIAL RESOURCES,...
Topics: NASA Technical Reports Server (NTRS), ASTEROIDS, ECONOMIC ANALYSIS, EXTRATERRESTRIAL RESOURCES,...
The College of Engineering & Architecture at Prairie View A&M University has been participating in the NASA/USRA Advanced Design Program since 1986. The interdisciplinary nature of the program allowed the involvement of students and faculty throughout the College of Engineering & Architecture for the last five years. The research goal for the 1990-1991 year is to design a human habitat on Mars that can be used as a permanent base for 20 crew members. The research is being conducted...
Topics: NASA Technical Reports Server (NTRS), ARCHITECTURE, HUMAN FACTORS ENGINEERING, MANNED MARS...
An increased ground-based observation program is an essential component of any serious attempt to assess the resource potential of near-Earth asteroids. A vigorous search and characterization program could lead to the discovery and description of about 400 to 500 near-Earth asteroids in the next 20 years. This program, in conjunction with meteorite studies, would provide the data base to ensure that the results of a small number of asteroid-rendezvous and sample-return missions could be...
Topics: NASA Technical Reports Server (NTRS), ASTEROID MISSIONS, ASTEROIDS, EXTRATERRESTRIAL RESOURCES,...
This project strives to obtain physical observations on newly discovered Near-Earth Objects (NEO's) in order to provide fundamental data needed to assess the resources available in the population. The goal is acquiring data on all objects brighter than magnitude V= 17.0. To accomplish this, an electronic mail alert and observer information service that informs observers around the world as to the status of physical observations on currently observable NEO's was established. Such data is also...
Topics: NASA Technical Reports Server (NTRS), ASTEROIDS, BRIGHTNESS, DATA ACQUISITION, POPULATIONS, SPACE...
The goal is to determine whether any of the near-earth asteroids contain water-bearing phyllosilicate (clay) minerals. If these minerals are present, they would provide a readily available source of water for propellant generation and use in life support systems. Telescopic detection of water on the near-earth asteroids is complicated because thermal emission from the asteroid itself masks the diagnostic absorption features for objects this close to the sun. Sophisticated thermal models are...
Topics: NASA Technical Reports Server (NTRS), ASTEROIDS, ASTRONOMICAL MODELS, CLAYS, EXTRATERRESTRIAL...
Three decades into the Space Age, the United States is experiencing a fundamental shift in space policy with the adoption of a broad national goal to expand human presence and activity beyond Earth orbit and out into the Solar System. These plans mark a turning point in American space exploration, for they entail a shift away from singular forays to a long-term, evolutionary program of exploration and utilization of space. No longer limited to the technical and operational specifics of any one...
Topics: NASA Technical Reports Server (NTRS), ECONOMIC FACTORS, LUNAR EXPLORATION, MARS (PLANET), MISSION...
It has been proposed to fabricate polymer/ soil composites primarily from extraterrestrial resources, using relatively low-energy processes, with the original intended application being that habitat structures constructed from such composites would have sufficient structural integrity and also provide adequate radiation shielding for humans and sensitive electronic equipment against the radiation environment on the Moon and Mars. The proposal is a response to the fact that it would be much less...
Topics: NASA Technical Reports Server (NTRS), EXTRATERRESTRIAL RESOURCES, RADIATION SHIELDING, POLYMER...
The spectral and density characteristics of Phobos and Deimos (the two small natural satellites of Mars) strongly suggest that a significant fraction of the near-earth asteroids are made of carbonaceous chondrites, which are rich in volatile components and, thus, could serve as potential resources for propellants and life supporting systems in future planetary missions. However, in order to develop energy efficient engineering designs for the extraction of volatiles, knowledge of the nature and...
Topics: NASA Technical Reports Server (NTRS), ABUNDANCE, CARBONACEOUS CHONDRITES, DEHYDRATION,...
This poster reviews the planning and design for an integrated architecture for characterization, mitigation, scientific evaluation and resource utilization of near earth objects. This includes tracks to observe and characterize the nature of the threat posed by a NEO, and deflect if a significant threat is posed. The observation stack can also be used for a more complete scientific analysis of the NEO.
Topics: NASA Technical Reports Server (NTRS), CHARACTERIZATION, NEAR EARTH OBJECTS, DEFLECTION,...
In 2000 and 2001 studies were conducted at the NASA Marshall Space Flight Center on the technical requirements and commercial potential for propellant production depots in low Earth orbit (LEO) to support future commercial, NASA, and other Agency missions. Results indicate that propellant production depots appear to be technically feasible given continued technology development, and there is a substantial growing market that depots could support. Systems studies showed that the most expensive...
Topics: NASA Technical Reports Server (NTRS), LOW EARTH ORBITS, PROPELLANT STORAGE, GEOSYNCHRONOUS ORBITS,...
This program consists of two tasks: (1) development of a data base of physical observations of near-earth asteroids and establishment of a network to coordinate observations of newly discovered earth-approaching asteroids; and (2) a simulation of the surface of low-activity comets. Significant progress was made on task one and, and task two was completed during the period covered by this progress report.
Topics: NASA Technical Reports Server (NTRS), ASTEROIDS, COMETS, DATA BASES, EXTRATERRESTRIAL RESOURCES,...
The overall objective is to develop efficient and economical separation and recovery methods for the platinum group and other precious metals. The separation of Pd(II) from Pt(II), Ir(III), and Rh(III) with trioctylphosphine oxide (TOPO) in heptane using centrifugal partition chromatography (CPC) was investigated. Activities to achieve this objective focussed on selection and evaluation of extraction systems for the PGM and modification of selected systems for multistage operation with a view...
Topics: NASA Technical Reports Server (NTRS), CENTRIFUGAL FORCE, CHROMATOGRAPHY, EXTRATERRESTRIAL...
A report proposes the development of a system to collect volatile elements and compounds from Lunar soil for use in supporting habitation and processing into rocket fuel. Prior exploratory missions revealed that H2, He, and N2 are present in Lunar soil and there are some indications that water ice may also be present. The proposed system would include a shroud that would be placed on the Lunar surface. Inside the shroud would be a radio antenna aimed downward. The antenna would be excited at a...
Topics: NASA Technical Reports Server (NTRS), LUNAR SOIL, RADIO FREQUENCY HEATING, SHROUDS, IN SITU...
Experimental results on the dehydration kinetics of talc, which is likely to be a major potential resource for water and hydrogen in carbonaceous chondrites, is presented. The rate of dehydration of an essentially pure Mg-end member natural talc, (Mg(.99)Fe(.01))3Si4O10(OH)2, was studied by measuring in situ weight change under isothermal condition at 1 bar as a function of time in the temperature range 775 to 985 C. The grain size of the starting material was 0.7 to 1 micron. It was found that...
Topics: NASA Technical Reports Server (NTRS), CARBONACEOUS CHONDRITES, DEHYDRATION, EXTRATERRESTRIAL...
