In Episode 24 we presented the concept of the Fermi Paradox. In short: Where are all the aliens? Today we're going to examine the theoretical solutions to this problem. Maybe they're out there, but just don't want to talk to us. Maybe it's too hard to communicate? Maybe there are no other civilizations. Maybe civilizations wipe themselves out when they reach a certain point. So many solutions, none of them satisfactory.
Astronomy Cast Ep. 273 Solutions to the Fermi Paradox
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