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1 - 4 of 4 resultsSearch results for "nearly extinct"
Organic Matter and the Moon, by Carl Sagan (1961)
National Research Council; Panel on Extra-Terrestrial Life for the Armed Forces; NRC Committee on Bio-Astronautics; Carl Sagan
Biology and Life Sciences | Space and Aeronautics
Scientific Uses of the Space Shuttle (1974)
Division on Engineering and Physical Sciences; Space Studies Board
Space and Aeronautics
Planetary Exploration, 1968-1975; Report of a Study by the Space Science Board, Washington, D.C., June 1968 (1968)
National Research Council; Space Science Board
One Universe: At Home in the Cosmos (2000)
Neil de Grasse Tyson; Charles Liu; Robert Irion
Explore Science | Space and Aeronautics