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Mars lakes and Marsquakes, Mars, map, lake, quakes, sand, USGS.
TheAnt
post Dec 14 2014, 02:34 PM
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Cartography work carried out by USGS have revealed further proof of ancient lake beds and signs of Mars-quakes in the Valles marineris region.

A shorter pressrelease from JPL.
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TheAnt
post Dec 2 2016, 08:14 AM
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Warming by asteroid impacts might yield a too transient warming to explain the erosion seen on Mars, now Penn state university suggest that dramatic climate cycles created somewhat warmer longer periods that could explain how running water carved Mars' surface.
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