The sagan conspiracy : nasa's untold plot to suppress the people's scientist's theory of ancient aliens
Mainstream SETI scientists and ancient alien theorists don't agree on much, but one opinion they share is that the undisputed authority on the possibility of alien existence was the late Carl Sagan (1934-1996), whose voluminous writings on the subject have had a profound influence on ETI resear...
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| Format: | EBOOK |
| Language: | ENGLISH |
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Red Wheel/Weiser
2016
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