https://www.livescience.com/space/meteoroids/worlds-1st-boomerang-meteorite-a-rock-that-left-earth-spent-millennia-in-space-then-returned-possibly-discovered-in-the-sahara-desert
The composition of an unusual meteorite suggests that it formed on Earth, spent thousands of years in space, then reentered the atmosphere. But some experts disagree.
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