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Health & Science3h 56m ago
Apollo astronauts reported seeing flashes and streaks of light in the dark while traveling to the Moon, which were later attributed to cosmic rays from deep space passing through their visual systems.
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on the way to the Moon, Skylab, Mir, International Space Station
Who
Apollo astronauts, Cornelius Tobias, Apollo 16 and 17 crews
What
Apollo astronauts reported seeing flashes and streaks of light in the dark while traveling to the Moon, which were later attributed to cosmic rays from deep space passing through their visual systems.
When
Sun, 14 Jun 2026 14:55:01 GMT · 3h 56m ago
Where
on the way to the Moon, Skylab, Mir, International Space Station ·
Why
Cosmic rays from deep space passed through the visual systems of the astronauts, causing the sensation of light flashes.
The Frontline Impact
How this affects you
This phenomenon, observed by astronauts beyond Earth's protective atmosphere, serves as a visible indicator of high-energy particles traversing the human body. Understanding its exact biophysics and the long-term effects of this radiation on the brain is crucial for future long-duration space missions like a trip to Mars.
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3 events in this thread- Health & Science3h 56m agoApollo astronauts travelling to the Moon reported seeing flashes and streaks of light in the dark, which were later determined to be caused by cosmic rays from deep space passing through their eyes.Open article
- Health & Science3h 56m agoApollo astronauts traveling to the Moon experienced flashes and streaks of light in the dark, which were later attributed to cosmic rays from deep space passing through their visual systems.Open article
- Currently Reading3h 56m agoApollo astronauts reported seeing flashes and streaks of light in the dark while traveling to the Moon, which were later attributed to cosmic rays from deep space passing through their visual systems.