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

Astronaut Don Pettit called them 'luminous dancing fairies' — the streaks of light that cross astronauts' vision on the ISS. They are cosmic rays punching through the hull and through the eye, the same phenomenon every Apollo crew reported from 1969 onward. The post 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 ap