Revision history of "Nov 16 1974"

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• (cur) (last) 00:51, 24 December 2009 RobertG (Talk | contribs) (1,647 bytes) (New page: In an attempt to communicate with another civilization in the universe, a powerful three-minute radio signal was beamed from the Arecibo Observatory in Puerto Rico toward Messier 13, a glo...)

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