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Saturday, November 26, 2011

Civilizations beyond Earth: Extraterrestrial Life and Society

Civilizations beyond Earth: Extraterrestrial Life and Society: "Most scientists think that we are not alone in the universe. Somewhere out there, there must be other intelligent forms of life. Our radio telescopes regularly scan the galaxy in search of a signal from a distant world. We may think they're out there, but we really don't know what another civilization would be like."

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