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Earth or Mars?

Although it could be mistaken for a desert on Earth, layers seen in this image are evidence of erosion on the Red Planet. This erosion has even produced several small mesas & a prominent channel that cuts through this region of the planet: The map is projected here at a scale of 25 centimeters (9.8 inches) per pixel. Credit: NASA/JPL-Caltech/Univ. of Arizona
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David Benioff and D.B. Weiss are going from #Westeros to a galaxy far, far away. Click the link in our profile to learn more.
What do you think this tadpole-shaped impact crater says about the water that used to fill it? Based on the terrain-height information and knowing that water always flows downhill, scientists were able to infer that the water in the tadpole crater was flowing down, and outward. The image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera on our Mars Reconnaissance Orbiter. Image credit: NASA/JPL-Caltech/Univ. of Arizona #nasa #space mars