SETI (Introduction)
by David Turell 
, Saturday, February 09, 2013, 15:28 (4647 days ago)
There is still no one out there:-http://phys.org/news/2013-02-seti.html
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David Turell,
2013-02-09, 15:28
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- SETI - David Turell, 2015-04-03, 00:20