What constant threat, even from tiny specks, poses a risk of damaging mirrors or sensors on space telescopes?

Answer

Micrometeoroids and orbital debris impacts.

Micrometeoroids and debris, traveling at immense relative velocities, pose a constant risk of impact that can damage critical surfaces like mirrors or sensors, leading to irreversible erosion over time.

What constant threat, even from tiny specks, poses a risk of damaging mirrors or sensors on space telescopes?

#Videos

Space Telescopes Are In Danger - YouTube

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