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by Fred Bortz
Are we alone in the universe? Is Earth the only planet that's a suitable home for life? These questions have long motivated scientists as central issues in astrobiology, the search for life in the universe. Astrobiologists compare life on Earth to signs of life on other planets. They test meteorites for evidence of alien bacteria. They collect soil and atmospheric samples ...more
Hardcover, 48 pages
Published October 1st 2007 by Lerner Publications
(first published September 1st 2007)
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