Although this is how I imagine it, this is not a macro shot of my skin after a night packed with deliciously fatty foods and good whiskey. But even after knowing what it is, I find it just as gross.

According to the HiRISE Operations Center at the University of Arizona in Tucson, these are dunes on Mars, which apparently are covered with mold and populated by slimy creatures.

In the winter, a layer of carbon dioxide ice covers the dunes, and in the spring as the sun warms the ice it evaporates. This is a very active process, and sand dislodged from the crests of the dunes cascades down, forming dark streaks.


Not everything in space is breathtakingly beautiful. [HiRISE via Discover]

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