Cost Management Issues in NASA's Acquisitions and Programs : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, First Session, March 5, 2009 PDF Download

Author: United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Space and Aeronautics
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 80

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Author: United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Space and Aeronautics
Publisher:
ISBN:
Category : Political Science
Languages : en
Pages : 68

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Author: United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Space and Aeronautics
Publisher:
ISBN:
Category : Political Science
Languages : en
Pages : 80

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Author: United States. Congress. House. Committee on Science and Technology (2007)
Publisher:
ISBN:
Category : Political Science
Languages : en
Pages : 96

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Author: United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Investigations and Oversight
Publisher:
ISBN:
Category : Federal aid to research
Languages : en
Pages : 364

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Author: United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Investigations and Oversight
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 184

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Author: National Aeronautics Administration
Publisher: CreateSpace
ISBN: 9781501081729
Category :
Languages : en
Pages : 332

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Addressing a field that has been dominated by astronomers, physicists, engineers, and computer scientists, the contributors to this collection raise questions that may have been overlooked by physical scientists about the ease of establishing meaningful communication with an extraterrestrial intelligence. These scholars are grappling with some of the enormous challenges that will face humanity if an information-rich signal emanating from another world is detected. By drawing on issues at the core of contemporary archaeology and anthropology, we can be much better prepared for contact with an extraterrestrial civilization, should that day ever come.

Author: Robert S. Arrighi
Publisher: Government Printing Office
ISBN: 9780160932106
Category : Technology & Engineering
Languages : en
Pages : 428

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The book documents Glenn's many research specialties over those 75 years. Among them are early jet engines and rockets; flight safety and fuel efficiency tested in premier icing and wind tunnels; liquid hydrogen fuel which, despite skeptics like aerospace engineer Wernher von Braun, helped the U.S. win the race to the moon; and electric propulsion, considered key to future space flight. Space enthusiasts, aviation personnel, aerospace engineers, and inventors may be interested in this comprehensive and milestone volume. Other related products: NASA at 50: Interviews With NASA\'s Senior Leadership can be found here: https: //bookstore.gpo.gov/products/sku/033-000-01360-4 Other products published by National Aeronautical and Space Administration (NASA) can be found here: https: //bookstore.gpo.gov/agency/550

Author: David S. F. Portree
Publisher:
ISBN:
Category : Space flight to Mars
Languages : en
Pages : 164

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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309314852
Category : Science
Languages : en
Pages : 270

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The growing problem of changing environmental conditions caused by climate destabilization is well recognized as one of the defining issues of our time. The root problem is greenhouse gas emissions, and the fundamental solution is curbing those emissions. Climate geoengineering has often been considered to be a "last-ditch" response to climate change, to be used only if climate change damage should produce extreme hardship. Although the likelihood of eventually needing to resort to these efforts grows with every year of inaction on emissions control, there is a lack of information on these ways of potentially intervening in the climate system. As one of a two-book report, this volume of Climate Intervention discusses albedo modification - changing the fraction of incoming solar radiation that reaches the surface. This approach would deliberately modify the energy budget of Earth to produce a cooling designed to compensate for some of the effects of warming associated with greenhouse gas increases. The prospect of large-scale albedo modification raises political and governance issues at national and global levels, as well as ethical concerns. Climate Intervention: Reflecting Sunlight to Cool Earth discusses some of the social, political, and legal issues surrounding these proposed techniques. It is far easier to modify Earth's albedo than to determine whether it should be done or what the consequences might be of such an action. One serious concern is that such an action could be unilaterally undertaken by a small nation or smaller entity for its own benefit without international sanction and regardless of international consequences. Transparency in discussing this subject is critical. In the spirit of that transparency, Climate Intervention: Reflecting Sunlight to Cool Earth was based on peer-reviewed literature and the judgments of the authoring committee; no new research was done as part of this study and all data and information used are from entirely open sources. By helping to bring light to this topic area, this book will help leaders to be far more knowledgeable about the consequences of albedo modification approaches before they face a decision whether or not to use them.