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Tag Archives: fluvial landforms
Aeolis Serpens, Mars’ longest sinuous ridge, is an ancient riverbed
A linear ridge that winds for more than 200 kilometers (120 miles) through part of South Australia was a river channel roughly 10 million years ago. After the paleoriver stopped flowing, silica-rich groundwater seeped into the riverbed, cementing its sediments. … Continue reading
Posted in Reports
Tagged Aeolis Dorsa, Aeolis Serpens, climate, CTX, fluvial channels, fluvial landforms, groundwater, HiRISE, Medusae Fossae formation, sinuous ridge, water
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Water-carved channels on crater debris
Medium-size craters less than 3 billion years old often show water-carved channels in their debris aprons, according to a new study of mid-latitude craters in Arabia Terra. Previous studies had reported that such features on ejecta aprons were rare. Nicolas … Continue reading
Posted in Reports
Tagged Context Camera, craters, CTX, ejecta, fluvial landforms, High Resolution Stereo Camera, HRSC, Mars Express, Mars Reconnaissance Orbiter, water
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