104-2 Hearings: Oversight of NASA'S Infrastructure Downsizing Efforts, September 11, 1996 PDF Download
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Author:
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Category :
Languages : en
Pages : 80
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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Book Description
Author: United States. Congress. House. Committee on Government Reform and Oversight. Subcommittee on National Security, International Affairs, and Criminal Justice
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Category : Digital images
Languages : en
Pages : 76
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Author: United States. National Aeronautics and Space Administration
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Category : Outer space
Languages : en
Pages : 32
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Author: United States. Congress. House. Committee on Science, Space, and Technology (2011)
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Category : Aeronautics
Languages : en
Pages : 144
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Author: NASA
Publisher:
ISBN: 9781410225511
Category : Technology & Engineering
Languages : en
Pages : 48
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What is a space elevator? A space elevator is a physical connection from the surface of the Earth to a geostationary Earth orbit (GEO) above the Earth .35,786 km in altitude. Its center of mass is at the geostationary point such that it has a 24-hr orbit and stays over the same point above the equator as the Earth rotates on its axis. The vision is that a space elevator would be utilized as a transportation and utility system for moving people, payloads, power, and gases between the surface of the Earth and space. It makes the physical connection from Earth to space in the same way a bridge connects two cities across a body of water. The Earth to GEO space elevator is not feasible today, but could be an important concept for the future development of space in the latter part of the 21st century. It has the potential to provide mass transportation to space in the same way highways, railroads, power lines, and pipelines provide mass transportation across the Earth's surface. The low energy requirements for moving payloads up and down the elevator could make it possible to achieve cost to orbit
Author: United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Science, Technology, and Space
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Category :
Languages : en
Pages : 108
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Author: United States. Congress. House. Committee on Science
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Category : Political Science
Languages : en
Pages : 152
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Author: United States. Congress. House. Committee on Science, Space, and Technology (2011)
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Category :
Languages : en
Pages : 468
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Author: United States. Congress. House. Committee on Science
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Category : Business & Economics
Languages : en
Pages : 176
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Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
ISBN: 0309446996
Category : Science
Languages : en
Pages : 115
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Book Description
Historically, the United States has been a world leader in aerospace endeavors in both the government and commercial sectors. A key factor in aerospace leadership is continuous development of advanced technology, which is critical to U.S. ambitions in space, including a human mission to Mars. To continue to achieve progress, NASA is currently executing a series of aeronautics and space technology programs using a roadmapping process to identify technology needs and improve the management of its technology development portfolio. NASA created a set of 14 draft technology roadmaps in 2010 to guide the development of space technologies. In 2015, NASA issued a revised set of roadmaps. A significant new aspect of the update has been the effort to assess the relevance of the technologies by listing the enabling and enhancing technologies for specific design reference missions (DRMs) from the Human Exploration and Operations Mission Directorate and the Science Mission Directorate. NASA Space Technology Roadmaps and Priorities Revisited prioritizes new technologies in the 2015 roadmaps and recommends a methodology for conducting independent reviews of future updates to NASA's space technology roadmaps, which are expected to occur every 4 years.
