Colonizing the planets
By: by Eric [i.e. Erik] Bergaust.
Publisher: Putnam
Published: 1975
Place of publication: New York
Language: eng
Number of pages: 93
Subjects: Planets -- Exploration -- Juvenile literature.; Manned space flight -- Juvenile literature.; Planets -- Exploration.; Manned space flight.
Description: Discusses space exploration by manned and unmanned flights and speculates about planetary colonization.
Notes: Includes index.