Carl Sagan’s Theory on Ancient ALiens

Don Zygutis: Conspiracy to silence Carl Sagan’s Theory of Ancient Aliens

[smart_track_player url=”″ title=”Carl Sagan’s Theory of Ancient Aliens” image=””  social=”true” social_twitter=”true” social_facebook=”true” social_gplus=”true” ] Superstar scientist Carl Sagan wrote a controversial paper that was funded by a NASA research grant. In what is now known as the Sagan Stanford papers—and originally known by the title of “Direct Contact Among Galactic Civilizations by Relativistic Interstellar Spaceflight”…

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