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Author:
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ISBN:
Category : Power resources
Languages : en
Pages : 782
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Author:
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ISBN:
Category : Power resources
Languages : en
Pages : 782
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ISBN:
Category : Aeronautics
Languages : en
Pages : 892
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Author: United States. President
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Category : Aeronautics
Languages : en
Pages : 430
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Category : Space stations
Languages : en
Pages : 652
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Author: National Academies of Sciences Engineering and Medicine
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ISBN: 9780309684804
Category :
Languages : en
Pages :
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Space Nuclear Propulsion for Human Mars Exploration identifies primary technical and programmatic challenges, merits, and risks for developing and demonstrating space nuclear propulsion technologies of interest to future exploration missions. This report presents key milestones and a top-level development and demonstration roadmap for performance nuclear thermal propulsion and nuclear electric propulsion systems and identifies missions that could be enabled by successful development of each technology.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309138574
Category : Science
Languages : en
Pages : 68
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Spacecraft require electrical energy. This energy must be available in the outer reaches of the solar system where sunlight is very faint. It must be available through lunar nights that last for 14 days, through long periods of dark and cold at the higher latitudes on Mars, and in high-radiation fields such as those around Jupiter. Radioisotope power systems (RPSs) are the only available power source that can operate unconstrained in these environments for the long periods of time needed to accomplish many missions, and plutonium-238 (238Pu) is the only practical isotope for fueling them. Plutonium-238 does not occur in nature. The committee does not believe that there is any additional 238Pu (or any operational 238Pu production facilities) available anywhere in the world.The total amount of 238Pu available for NASA is fixed, and essentially all of it is already dedicated to support several pending missions-the Mars Science Laboratory, Discovery 12, the Outer Planets Flagship 1 (OPF 1), and (perhaps) a small number of additional missions with a very small demand for 238Pu. If the status quo persists, the United States will not be able to provide RPSs for any subsequent missions.
Author: United States. Congress. House. Committee on Science and Technology. Subcommittee on Energy Development and Applications
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ISBN:
Category : United States
Languages : en
Pages : 1124
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Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
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Category : Power resources
Languages : en
Pages : 1226
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Author: Gary L. Bennett
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Category : Lunar bases
Languages : en
Pages : 32
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Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
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Category :
Languages : en
Pages : 1254
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