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Tag Archives: periglacial processes
HiRISE: Dune maze craze
Dune maze craze. This image shows sand dunes on the northern plains in the spring, when the seasonal frost is sublimating (and making crazy patterns). The dunes have coalesced here into an interlocking maze. Polygons between the dunes are due … Continue reading
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, northern lowlands, northern plains, periglacial processes, periglacial terrain, sand dunes, University of Arizona
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HiRISE: Depressions and channels on the floor of Lyot Crater
Lyot Crater (220-kilometers in diameter) is located in the Northern lowlands of Mars. The crater’s floor marks the lowest elevation in the Northern Hemisphere. On the crater’s floor, we see a network of channels connecting a series of irregular shaped … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Lyot Crater, Mars Reconnaissance Orbiter, MRO, NASA, periglacial processes, periglacial terrain, permafrost, University of Arizona
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Creepy stuff: possible solifluction on Mars
Planetary Geomorphology Image of the Month, November 30, 2017: Andreas Johnsson (University of Gothenburg, Sweden). Small-scale lobes on Mars (Fig. 1) are tens to hundreds of meters wide and consist of an arcuate frontal riser that is a meter to … Continue reading
Posted in Reports
Tagged frost, ground ice, mass wasting, periglacial processes, periglacial terrain, soil, solifluction
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HiRISE: A collapsed crater rim
The eastern rim of this small 3.5-kilometer crater appears to have collapsed into a much larger crater (about 14-kilometers wide). The larger crater has a large ice flow around its central peak, and is non-circular, with large blocks further suggesting … Continue reading
Posted in Reports
Tagged ground ice, High Resolution Imaging Science Experiment, HiRISE, impact craters, Mars Reconnaissance Orbiter, MRO, NASA, periglacial processes, University of Arizona
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HiRISE: Pits in the south polar layered deposits
Pits in the south polar layered deposits. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, periglacial processes, polar regions, south polar layered deposits, south polar region, University of Arizona
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HiRISE: Light and dark in Ultimi Scopuli
Light and dark in Ultimi Scopuli. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, periglacial processes, Ultimi Scopuli, University of Arizona
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HiRISE: Pits and cracks along a crater wall
Pits and cracks along a crater wall — February 2017, approximately 303 km above the surface. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, periglacial processes, University of Arizona
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HiRISE: Raised and banded curbed feature in a Tantalus Fossae crater
Raised and banded curbed feature in a Tantalus Fossae crater. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, periglacial processes, Tantalus Fossae, University of Arizona
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THEMIS: Winding ridges & ‘basketball terrain’ in Arcadia Planitia
THEMIS Image of the Day, June 23, 2017. Do you see what I see? Make a wish and then break the wishbone! (THEMIS Art #132) More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arcadia Planitia, Arizona State University, ASU, basketball terrain, Mars Odyssey, NASA, periglacial processes, pingos, ridges, THEMIS, THEMIS Art, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Periglacial terrain & dust devil tracks
Periglacial terrain. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, craters, dust devil tracks, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, periglacial processes, University of Arizona
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