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The Spaceguard Survey: Report of the NASA International Near-Earth-Object Detection WorkshopImpacts by Earth-approaching asteroids and comets pose a significant hazard to life and property. Although the annual probability of the Earth being struck by a large asteroid or comet is extremely small, the consequences of such a collision are so catastrophic that it is prudent to assess the nature of the threat and to prepare to deal with it. The first step in any program for the prevention or mitigation of impact catastrophes must involve a comprehensive search for Earth-crossing asteroids and comets and a detailed analysis of their orbits. At the request of the U.S. Congress, NASA has carried out a preliminary study to define a program for dramatically increasing the detection rate of Earth-crossing objects, as documented in this workshop report.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Morrison, David
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 6, 2013
Publication Date
January 25, 1992
Subject Category
Astronautics (General)
Report/Patent Number
NAS 1.15:107979
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.
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