James Webb Space Telescope's mirror sustains micrometeoroid impact
CNN
A segment of the James Webb Space Telescope's giant mirror was hit by a micrometeroid in May, according to an update from NASA.
A micrometeoroid is a particle in space that is smaller than a grain of sand. Earth's atmosphere is hit by millions of meteoroids and micrometeoroids on a regular basis, but most are vaporized when they hit the atmosphere, according to NASA.
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