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Reply to post: Re: Why hasn't Earth been visited yet?

Fermi famously asked: 'Where is everybody?' Probably dead, says renewed Drake equation

Bruce Ordway
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Re: Why hasn't Earth been visited yet?

>>I'll admit I don't know exactly how many alien intelligences are here on Earth

The documentary series "People of Earth" gives some good estimates.

http://www.imdb.com/title/tt4695530/?ref_=fn_al_tt_1

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