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Crusty, dusty and rusty describes the Mars of today.
Surface features of the Red Planet, however, hint at a watery past where torrents of groundwater carved out deep canyons, formed sweeping fans of sediment and cemented together huge fault lines.
"Groundwater probably played a major role in shaping many of the things we see on the Martian surface," said George Postma, a sedimentologist at UtrechtUniversity in the Netherlands.
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Surface features of the Red Planet, however, hint at a watery past where torrents of groundwater carved out deep canyons, formed sweeping fans of sediment and cemented together huge fault lines.
"Groundwater probably played a major role in shaping many of the things we see on the Martian surface," said George Postma, a sedimentologist at UtrechtUniversity in the Netherlands.
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