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Health & Science2h 38m ago
Apollo 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.
lunar distance, deep space, Moon
Who
Apollo astronauts, Cornelius Tobias, Apollo 16 and 17 crews
What
Apollo 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.
When
Sun, 14 Jun 2026 14:55:01 GMT · 2h 38m ago
Where
lunar distance, deep space, Moon ·
Why
The flashes were caused by cosmic rays from deep space interacting with the astronauts' visual systems, demonstrating the radiation environment beyond Earth's protective magnetosphere.
The Frontline Impact
How this affects you
The phenomenon highlights the challenges of deep space travel, as it signifies high-energy particles passing through the human body, raising concerns about the effects of cosmic radiation on the brain during long-duration missions to destinations like Mars. Understanding this effect is crucial for ensuring astronaut safety.
Story chain
3 events in this thread- Currently Reading2h 38m 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.
- Health & Science2h 38m 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
- Health & Science2h 38m 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.Open article
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