What really happens when astronauts cry in space

In space, tears don't fall due to the absence of gravity. Instead, surface tension causes them to cling to the eye, creating a physical sensation and potential vision blur. Astronauts manage these tears with absorbent cloths, a process vital for understanding human physiology in microgravity and for future long-duration missions.

PNSPNS
Jan 6, 2026 - 14:47
 0
What really happens when astronauts cry in space
In space, tears don't fall due to the absence of gravity. Instead, surface tension causes them to cling to the eye, creating a physical sensation and potential vision blur. Astronauts manage these tears with absorbent cloths, a process vital for understanding human physiology in microgravity and for future long-duration missions.

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