The 'cosmic dust' sitting on your roof

The 'cosmic dust' sitting on your roofThe 'cosmic dust' sitting on your roof External link

It's in the dirt on the ground, the debris on your roof, and the dust that tickles your nose – tiny pieces of "cosmic dust", everywhere. These microscopic particles from outer space are micrometeorites – mostly the debris from comets and asteroids – and they have settled all over our planet.

Tagsastronomymeteorite
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