The survival imperative : using space to protect Earth
题名:
The survival imperative : using space to protect Earth
著者:
Burrows, William E., 1937-
ISBN:
9780765311146
版:
1st Forge ed.
出版信息:
New York : Forge Books, 2006
规格:
317 p. ; 25 cm
一般附注:
Includes bibliographical references (p. [295]-304) and index
主题:
| United States. National Aeronautics and Space Administration -- History |
| Astronautics, Military |
| Asteroids -- Collisions with Earth |
| Near-earth asteroids |
| Artificial satellites |
| Outer space -- Civilian use |