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S2022:E30 What If Humanity Is Among The First Spacefaring Civilizations?
First Aired: November 09, 2022
Runtime: 21 min
Half of the universe is filled with expansionist alien civilizations, and it’s only a matter of time before they’ll reach us. OK, that sounded a little sensationalist. But it’s also the conclusion of a recent astrophysics paper. Let’s see how they figure this, and whether we should take it seriously.
