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Tag Archives: periglacial processes
THEMIS: Sinuous features hint at ground ice
THEMIS Image of the Day, November 8, 2018. This VIS image is located in an unnamed crater in Noachis Terra. The sinuous feature near the bottom of the crater rim appears to have been caused by down slope movement of … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, ground ice, Mars Odyssey, mass wasting, NASA, Noachis Terra, periglacial processes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Curving pits and ridges
This terrain is unusual for the South Polar region of Mars, with a set of curved ridges of unknown origin. Small pits are present, often concentrated on the ridges, that may have resulted from sublimation of ice. [More at link]
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, periglacial processes, periglacial terrain, south polar region, University of Arizona
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THEMIS: Soft-featured craters in Arcadia Planitia
THEMIS Image of the Day, October 19, 2018. This false-color VIS image shows some of the plains and craters located in Arcadia Planitia. The soft-looking features in the impact craters indicate ground ice at shallow depths below the surface. In … Continue reading
Posted in Reports
Tagged Arcadia Planitia, Arizona State University, ASU, debris aprons, fluidized ejecta, ground ice, impact craters, Mars Odyssey, NASA, periglacial processes, periglacial terrain, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: The walls in Milankovic Crater
The walls in Milankovic Crater. The objective of this observation is to determine the nature of depressions in the mantle on the wall of Milankovic Crater. It seems that the deeper depressions into the mantle have a straight edge along … Continue reading
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, Milankovic Crater, MRO, NASA, periglacial processes, periglacial terrain, University of Arizona
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HiRISE: Crazy terrain in Utopia
That crazy terrain. This is the floor of a crater in Utopia Planitia. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, ground ice, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, periglacial processes, periglacial terrain, University of Arizona, Utopia Planitia
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THEMIS: Active dunes and ground-ice creep
THEMIS Image of the Day, August 3, 2018. This VIS image is located in the region between northern Terra Sabaea and Utopia Planitia. This unnamed crater contains a small, dark dune field. Darkness suggests the dunes are dust-free, hence probably … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, dunes, ground ice, Mars Odyssey, NASA, periglacial processes, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: It’s all about that flow
It’s all about that flow. There are a number of crevasse-like features here. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, crevasse, debris flows, glaciers, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, mid-latitude glaciers, MRO, NASA, periglacial processes, University of Arizona
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THEMIS: The many textures of Gordii Dorsum
THEMIS Image of the Day, July 24, 2018. This VIS image is located at the northern end of Gordii Dorsum, where the surface slopes down into southern Amazonis Planitia. Within this image are several different surfaces and textures. At the … Continue reading
Posted in Reports
Tagged Amazonis Planitia, Arizona State University, ASU, dark slope streaks, Gordii Dorsum, Mars Odyssey, mass wasting, NASA, periglacial processes, periglacial terrain, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Degraded crater and lineated flow in Deuteronilus Mensae
A degraded crater and lineated flow in Deuteronilus Mensae. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, Deuteronilus Mensae, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, mesas, MRO, NASA, periglacial processes, University of Arizona
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HiRISE: Translucent ice
Translucent ice. Also note the polygonal ground, another feature of expanding and contracting subsurface ice. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, ice, ice polygons, Mars Reconnaissance Orbiter, MRO, NASA, northern lowlands, periglacial processes, periglacial terrain, University of Arizona
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