Sand Dunes Are Raining Across The Martian Landscape

Illustration for article titled Sand Dunes Are Raining Across The Martian Landscape

It's raining dunes! Well, no, not really, but these olivine-rich sand dunes on Mars really do look like classic cartoon drawings of raindrops sliding across the landscape.

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Illustration for article titled Sand Dunes Are Raining Across The Martian Landscape

These sand dunes in Copernicus Crater on Mars are rich in olivine. When exposed to water, olivine rapidly weathers into clay, making this type of dune extremely rare on Earth.

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Image credit: NASA/JPL/University of Arizona

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DISCUSSION

Mars is such a f*cking asshole!

"Oh, you guys are looking for water!? Hold on... *draws on his face* There you go, some nice big obvious drops of water, just like you wanted.*