Possible Signs of Ancient Drying in Martian Rock
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A grid of small polygons on the Martian rock surface near the right edge of this view may have originated as cracks in drying mud more than 3 billion years ago. Multiple images from the Mast Camera (Mastcam) on NASA's Curiosity Mars rover were combined for this mosaic of a block called "Squid Cove" and its immediate surroundings. The location is within an exposure of Murray formation mudstone on lower Mount Sharp inside Gale Crater. Mastcam's right-eye camera, which has a telephoto lens, took the component images of this view on Dec. 20, 2016, during the 1,555th Martian day, or sol, of Curiosity's work on Mars. The rover drove farther uphill on Gale Crater before the possible mud cracks were — NASA JPL · 2017. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
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