this post was submitted on 16 Sep 2024
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Astronomy

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Earth may have had a ring system 466 million years ago (www.monash.edu)
submitted 2 weeks ago by [email protected] to c/[email protected]
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[–] [email protected] 5 points 2 weeks ago

Mollusks and arthropods ruled the oceans at this time. The first land plants appeared on land.