"The United States spends approximately $4 million each year searching for near-Earth objects (NEOs). The objective is to detect those that may collide with Earth. The majority of this funding supports the operation of several observatories that scan the sky searching for NEOs. This, however, is insufficient in detecting the majority of NEOs that may present a tangible threat to humanity. A significantly smaller amount of funding supports ways to protect the Earth from such a potential collision or "mitigation." In 2005, a ...
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"The United States spends approximately $4 million each year searching for near-Earth objects (NEOs). The objective is to detect those that may collide with Earth. The majority of this funding supports the operation of several observatories that scan the sky searching for NEOs. This, however, is insufficient in detecting the majority of NEOs that may present a tangible threat to humanity. A significantly smaller amount of funding supports ways to protect the Earth from such a potential collision or "mitigation." In 2005, a Congressional mandate called for NASA to detect 90 percent of NEOs with diameters of 140 meters of greater by 2020. Defending Planet Earth: Near-Earth Object Surveys and Hazard Mitigation Strategies identifies the need for detection of objects as small as 30 to 50 meters as these can be highly destructive. The book explores four main types of mitigation including civil defense, "slow push" or "pull" methods, kinetic impactors and nuclear explosions. It also asserts that responding effectively to hazards posed by NEOs requires national and international cooperation. Defending Planet Earth: Near-Earth Object Surveys and Hazard Mitigation Strategies is a useful guide for scientists, astronomers, policy makers and engineers."--Publisher's description.
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Very good. Ex-library. Trade paperback (US). Glued binding. 134 p. Contains: Diagrams, Figures. Audience: General/trade. LCCN 2010283484 Type of material Book Corporate name National Research Council (U.S.). Committee to Review Near-Earth-Object Surveys and Hazard Mitigation Strategies. Main title Defending planet Earth: near-Earth-object surveys and hazard mitigation strategies / Committee to Review Near-Earth-Object Surveys and Hazard Mitigation Strategies; Space Studies Board; Aeronautics and Space Engineering Board, Division on Engineering and Physical Sciences, National Research Council of the National Academies. Published/Created Washington, D.C. : National Academies Press, c2010. Description xvii, 134 p. : ill. (chiefly col. ); 28 cm. ISBN 0309149681 9780309149686 LC classification QB741. N375 2010 Related names National Research Council (U.S.). Space Studies Board. National Research Council (U.S.). Aeronautics and Space Engineering Board. Summary "The United States spends approximately $4 million each year searching for near-Earth objects (NEOs). The objective is to detect those that may collide with Earth. The majority of this funding supports the operation of several observatories that scan the sky searching for NEOs. This, however, is insufficient in detecting the majority of NEOs that may present a tangible threat to humanity. A significantly smaller amount of funding supports ways to protect the Earth from such a potential collision or "mitigation." In 2005, a Congressional mandate called for NASA to detect 90 percent of NEOs with diameters of 140 meters of greater by 2020. Defending Planet Earth: Near-Earth Object Surveys and Hazard Mitigation Strategies identifies the need for detection of objects as small as 30 to 50 meters as these can be highly destructive. The book explores four main types of mitigation including civil defense, "slow push" or "pull" methods, kinetic impactors and nuclear explosions. It also asserts that responding effectively to hazards posed by NEOs requires national and international cooperation. Defending Planet Earth: Near-Earth Object Surveys and Hazard Mitigation Strategies is a useful guide for scientists, astronomers, policy makers and engineers."--Publisher's description. Subjects Near-Earth objects. Asteroids--Collisions with Earth. Comets--Collisions with Earth. Notes Includes bibliographical references. Additional formats Also available in Open Book format via the National Academies Press home page. Dewey class no. 363.34/9 Other system no. (OCoLC)ocn520515455