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Tag Archives: volcanism
THEMIS: Lava levees on Ascraeus Mons’ upper slopes
THEMIS Image of the Day, August 31, 2017. This image of the flank of Ascraeus Mons shows several individual flows where the sides are higher than the center. These are called leveed flows, as the outer margin acts as a … Continue reading
Posted in Reports
Tagged Arizona State University, Ascraeus Mons, ASU, lava channels, lava flows, lava levees, Mars Odyssey, NASA, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanism, volcanos
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THEMIS: Into the caldera atop Ascraeus Mons
THEMIS Image of the Day, August 30, 2017. This image shows part of the complex caldera at the summit of the volcano. Calderas are found at the tops of volcanoes and are the source region for magma that rises from … Continue reading
Posted in Reports
Tagged Arizona State University, Ascraeus Mons, ASU, calderas, Mars Odyssey, NASA, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanism, volcanos
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THEMIS: Flows and faults on Ascraeus Mons
THEMIS Image of the Day, August 29, 2017. Looking again at the southeastern flank of the volcano the narrow nature of the flows are visible. Given the steep sides of the volcano, flows from the summit run as narrow “rivers” … Continue reading
Posted in Reports
Tagged Arizona State University, Ascraeus Mons, ASU, faulting, faults, lava channels, lava flows, Mars Odyssey, NASA, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanism, volcanos
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THEMIS: Lava levees on Ascraeus Mons
THEMIS Image of the Day, August 28, 2017. This image shows part of the southeastern flank of Ascraeus Mons. The narrow flows of the volcano dominate the top of the image — note the raised levees flanking the channels — … Continue reading
Posted in Reports
Tagged Arizona State University, Ascraeus Mons, ASU, lava channels, lava flows, lava levees, Mars Odyssey, NASA, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanism, volcanos
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THEMIS: Syrtis Major Planum
THEMIS Image of the Day, November 21, 2016. Today’s false color image shows part of Syrtis Major Planum, a large area dominated by volcanism. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, Syrtis Major, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanism
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HiRISE: Volcanic flow features in Elysium Planitia
Volcanic flow features in southern Elysium Planitia. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, Elysium Planitia, flowlines, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, viscous flow features, volcanics, volcanism
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HiRISE: Small volcano, Ceraunius Fossae region
Small volcano in the Ceraunius Fossae region. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, Ceraunius Fossae, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, volcanic vent, volcanics, volcanism
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Early Mars warmth, flowing water: episodic only
How to reconcile indisputable evidence of flowing water on Mars with severely low temperatures? New research shows volcanism and greenhouse gas could have warmed the planet sufficiently, but only for tens or hundreds of years at a time. Ample evidence … Continue reading
HiRISE: Lava flow front south of western Cerberus region
Beautiful Mars series: Lava flow front south of western Cerberus region. More Beautiful Mars images.
THEMIS: Olympus Mons lava
THEMIS Image of the Day, March 13, 2014. Today’s VIS image shows lava flows that originated at Olympus Mons. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, lava flows, Mars Odyssey, NASA, Olympus Mons, Tharsis, THEMIS, Thermal Emission Imaging System, volcanics, volcanism
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