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Cratering is one way we judge how old a surface is. More craters tell us the surface is older. octodon.social/media/_HvIBEL_z

@evilscientistca Also, the visibility of craters says a lot about surface and subsurface atmospheric/geological processes, such as erosion. Old but still sharply defined craters aren't getting weathered away by wind and water.

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Octodon

Octodon is a nice general purpose instance. more