Read The Sagan Conspiracy: NASA’s Untold Plot to Suppress The People’s Scientist’s Theory of Ancient Aliens - Donald L. Zygutis | ePub Online

We assume that there exists in the galaxy a loosely integrated community of diverse civilizations, cooperating in the exploration and sampling of astronomical objects and their inhabitants .It follows that there is the statistical likelihood that Earth was visited by an advanced extraterrestrial civilization at least once during historical times. Carl Sagan, Direct