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[-] notfromhere@lemmy.ml 3 points 6 days ago

I think they mean Mars could be Theia.

[-] Zron@lemmy.world 1 points 3 days ago

I think the fact that it’s really far away, in a circular orbit, and doesn’t have a big chunk missing is still a good sign that mars isn’t theia

[-] notfromhere@lemmy.ml 1 points 3 days ago* (last edited 3 days ago)

Why would it have a chunk missing after all this time? If it did could we even tell? Whatever it was isn’t still in the area so being far away may not mean much. Circular orbit is probably biggest reason it’s likely not Mars, although it could have evened out relatively recently.

This simulation shows the Mars sized object merging with Earth so there goes that theory.

this post was submitted on 21 Sep 2024
523 points (98.7% liked)

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