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YouTubeIsaac Arthur
How Many Alien Civilizations Could Exist In One Galaxy?
What if millions of alien civilizations exist… but never meet? The galaxy may be full of life—and still feel completely empty. The real Fermi Paradox might be distance. 🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com ...
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