Destroying Planetoids, Making Moons - Why Earth And Mars Probably Had Rings.

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The gravitational tidal effects of planets can destroy other planetoids which come too close, and two recent papers use this process to explain the formation of the moons of Mars and, the cratering record of the Earth.

I use a couple of different pieces of simulation software to demonstrate some of these effects:

SpaceSim by Pavel Ševeček
https://www.patreon.com/c/pavelsevecek/posts

Universe Sandbox
https://universesandbox.com/

Origin of Mars's moons by disruptive partial capture of an asteroid
https://arxiv.org/abs/2407.15936

Evidence suggesting that earth had a ring in the Ordovician
https://www.sciencedirect.com/science/article/pii/S0012821X24004230?via=ihub

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