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Can you really find micrometeorites in your gutter? Well…

16 May 2019, 13:00 UTC
Can you really find micrometeorites in your gutter? Well… Wikipedia / S. Taylor / Shaw Street

I collect meteorites, and have quite a few knocking around my home office. Some are big — fist-sized, with one I bring with me when I give talks about impacts so people can hold a piece of an asteroid in their hand — but most are pretty small, like the size of a finger from the last joint to the tip. A few are pebbles (generally well-known ones with special scientific interest, making bigger pieces hard to obtain), and a couple of are sand-grain-sized (one is from the Moon and the other from Mars)

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