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Tags: ESA, Mars Express, Mars
Publication: Phys.org
Publication Date: 08/2/2013
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The topography of Tagus Valles, an ancient martian riverbed.
Image credit: ESA/DLR/FU Berlin (G. Neukum) |
The European Space Agency’s (ESA) Mars Express has found evidence of the existence of water in Mars. Images taken on January 15 feature a region just a few degrees south of the equator within the early southern plateaus of Mars, in which evidence of water exists.
The unnamed region is located to the north of an ancient riverbed known as Tagus Valles and east of Tinto Valles. The crater draws most attention with its interior. Mesas, the name used to describe broad flat-topped blocks, can be found alongside smaller parallel wind-blown features known as yardangs. Both mesas and yardangs were carved from sediments that originally filled the crater, deposited there during a flood that covered the entire scene. Progressively, the weakest sediments were eroded away, leaving the chaotic pattern of stronger blocks behind.
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