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‘Popcorn’ space dust hops off smaller asteroids leaving them looking cleaner

When it comes to dust sticking to asteroids, size matters.

space dust - looking like white specks in the shape of parabolas against a black background
Popcorn space dust: a time lapse image of grains of dust undergoing "electrostatic lofting" in a vacuum chamber. Credit: IMPACT Lab/LASP
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