Monday, June 24, 2019

Smear Job


If you'd asked me, I would have thought the above picture of Ahura Mons on the asteroid Ceres was actually someone playing around with Photoshop or attempting to change the landscape of some photo -- and not doing a very good job of it.

But according to this item at Astronomy Picture of the Day, the current best guess is that a mud bubble pushed up through the surface ice in a location with a lot of reflective material, probably salt, before freezing.

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