Maybe We've Already Made First Contact…

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There are hundreds of billions of planets in our galaxy. Scientists now think hundreds of millions of them have conditions where life could arise. What do scientists think are the best ways of reaching out to them? And why do some scientists think that we shouldn't?

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Tags:
science
joe hanson
be smart
it's okay to be smart
its okay to be smart
it's ok to be smart
its ok to be smart
Aliens
Extra Terrestrials
SETI
First Contact
Stephen Hawking
Carl Sagan
three body problem
dark forest