This region is known informally as Inca City, and it has a series - TopicsExpress



          

This region is known informally as Inca City, and it has a series of distinctive ridges. A significant event has occurred here. The layer of seasonal ice has started to develop long cracks. This is visible in the orange-colored band adjacent to the araneiforms. Fans of dust are emerging from long linear cracks. The cracks form when large plates of ice have no easily ruptured weak spots to release the pressure from gas building up underneath, so the ice simply cracks. There are also more fans on the ridge at the top of the image, and more have appeared in between the araneiforms. We do not have any analogous processes occurring naturally on Earth: this is truly Martian. Video Credit: NASA/JPL/University of Arizona Narration Credit: Tre Gibbs Caption Credit: Candy Hansen Release Date: November 13, 2014 #Mars #NASA #Ice #Araneiforms #Inca #City #MRO #JPL #HiRISE #Martian #Geoscience #HD #Video
Posted on: Fri, 12 Dec 2014 05:21:45 +0000

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