City Lights Could Reveal E.T. Civilization
3 Nov 2011, 20:29 UTC
David A. Aguilar (CfA)
November 03, 2011: In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner (Princeton University) suggest a new technique for finding aliens: look for their city lights.
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