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Tag Archives: fluvial landforms
Jezero Crater records two water-related events
Researchers from Brown University have completed a new analysis of an ancient Martian lake system in Jezero Crater, near the planet’s equator. The study finds that the onslaught of water that filled the crater was one of at least two … Continue reading
THEMIS: Hrad Vallis
THEMIS Image of the Day, July 29, 2014. The channel in this VIS image is a portion of Hrad Vallis. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, channels, fluvial channels, fluvial landforms, Hrad Vallis, Mars Odyssey, NASA, outflow channels, THEMIS, Thermal Emission Imaging System
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New geologic map details Reull, Waikato valleys
A new geologic map of part of the ancient Martian highlands produced by Scott C. Mest and David A. Crown of the Planetary Science Institute provides new insights into the planet’s history of water modifying the surface. “This map depicts … Continue reading
Posted in Reports
Tagged channels, fluvial channels, fluvial landforms, geologic maps, Reull Vallis, Waikato Vallis, water
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THEMIS: Kasei Valles islands
THEMIS Image of the Day, June 6, 2014. There are several streamlined islands in this VIS image of Kasei Valles. This image is located near the region where Kasei Valles empties into Chryse Planitia. More THEMIS Images of the Day … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, channels, floods, fluvial channels, fluvial landforms, Kasei Valles, Mars Odyssey, NASA, outflow channels, THEMIS, Thermal Emission Imaging System
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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.
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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