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Stephen Hawking says it is too risky to try to talk to space aliens.
Oops. Too late.
NASA and others have already beamed several messages into deep space, trying to phone E.T.
The U.S. space agency, which two years ago broadcast the Beatles song "Across the Universe" into the cosmos, on Wednesday discussed its latest search strategy for life beyond Earth.
NASA Tried To Contact Aliens By Beaming Messages Into Deep Space - cbs3.com (http://cbs3.com/watercooler/nasa.aliens.contact.2.1663046.html - broken link)
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