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Geologists discovered extremely rare remnants of an early version of our planet that formed about 4.5 billion years ago, (news.mit.edu)
submitted 9 months ago* (last edited 9 months ago) by to c/science@lemmy.world
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[–] 4 points 9 months ago

Is it reasonable to call one of the two planets before the impact, Earth? I'd argue the two planets mixed together formed Earth (and the Moon).

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