In the discussion thread: Astronomers discover three habitable planets just 40 light years away [View all]
Response to felix_numinous (Reply #3)
Mon May 2, 2016, 02:18 PM
ProfessorGAC (53,263 posts)
4. Well, There Isn't Advanced Civilization There For Sure
Of course, it could be there but like the 1850's. We wouldn't know they were there and they couldn't detect the signals we've been sending for the last 100 years.
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