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  Remnants of Ancient Streambed on Mars

Remnants of Ancient Streambed on Mars
Image credit: NASA/JPL-Caltech/MSSS

Uploader comment: NASA's Curiosity rover found evidence for an ancient, flowing stream on Mars at a few sites, including the rock outcrop pictured here, which the science team has named "Hottah" after Hottah Lake in Canada’s Northwest Territories. It may look like a broken sidewalk, but this geological feature on Mars is actually exposed bedrock made up of smaller fragments cemented together, or what geologists call a sedimentary conglomerate.


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September 27, 2012, 7:49 pm
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