Astronaut Don Pettit described the light flashes crossing his eyes on the International Space Station as 'luminous dancing fairies' — the same cosmic rays Apollo crews reported, still arriving decades later above your head tonight

Space Daily·3d ago

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Astronauts on the International Space Station have reported seeing flashes of light, even with their eyes closed, due to high-energy space particles passing through their body. These particles, described as "luminous dancing fairies" by one astronaut, are the same cosmic rays that were reported by Apollo crews. The phenomenon is still occurring, with these cosmic rays continuing to arrive above the earth.

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Astronauts aboard the International Space Station can see flashes of light even with their eyes closed — not from light entering the eye, but from high-energy space particles passing through their body and triggering the retina or visual pathway directly.

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