Great Filter
The End Of The World with Josh Clark
00:00
What Is Panspermia?
Pinspermia is a concept from astrobiology that says the seeds of life are all over the universe in abundance everywhere. Life could have evolved elsewhere in the universe, which is billions of years older than Earth and then spread to our planet aboard an asteroid. An economist named Robin Hanson suggests there must be some incredibly difficult step between the point where dead matter forms life and intelligent life becomes a galactically colonizing civilization. He calls it the Great Filter.
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