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Tag Archives: sublimation
THEMIS: Swiss cheese and other ice cap textures
THEMIS Image of the Day, October 31, 2018. There are several different surface textures in the South Polar ice. The surface in this image with the round/semi round depressions is informally called Swiss cheese. See more THEMIS Images of the … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, south polar ice cap, sublimation, Swiss-cheese terrain, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Debris apron-like textures in Nereidum Montes
Debris apron-like textures in Nereidum Montes. These textures resemble sublimation and extension features seen on debris apron surfaces. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, debris aprons, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, Nereidum Montes, sublimation, University of Arizona
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HiRISE: Dune erosion and streaks
Dune erosion and streaks. One of the many seasonal images we take to detect changes. In this case, we want to quantify the process of erosion driven by sublimation on the dunes. (Sublimation is the process of going directly from … Continue reading
Posted in Reports
Tagged Beautiful Mars, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar region, north polar sand sea, sand dunes, sublimation, University of Arizona
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Sublimation of water can levitate sediments for downslope movement
Scientists from The Open University (OU) have discovered a process that could explain the long-debated mystery of how land features on Mars are formed in the absence of significant amounts of water. Experiments carried out in the OU Mars Simulation … Continue reading
Martian winters are shaping the landscape
Researchers based millions of kilometres from Mars have unveiled new evidence for how contemporary features are formed on the Red Planet. Their innovative lab-based experiments on carbon dioxide (CO2) sublimation – the process by which a substance changes from a … Continue reading
HiRISE: On a field of sublimation
On a field of sublimation – Sublimation is a process where a solid directly turns into a gaseous state. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, ice, Mars Reconnaissance Orbiter, MRO, NASA, south polar region, sublimation, University of Arizona
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HiRISE: Seasonal sublimation site
Seasonal sublimation site. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, CO2 ice, dunes, High Resolution Imaging Science Experiment, HiRISE, ice, Mars Reconnaissance Orbiter, MRO, NASA, sand, sand dunes, sublimation, University of Arizona
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Spiral troughs in Mars polar caps are born in ‘cyclic steps’
Both Martian polar caps have deep spiral troughs that slice into them for dozens or hundreds of kilometers, but their origin and development has been much debated by scientists. New work by a team of researchers led by Isaac Smith … Continue reading
Posted in Reports
Tagged atmosphere, cyclic steps, ice, katabatic jump, katabatic winds, Mars Reconnaissance Orbiter, north polar ice cap, polar caps, polar regions, polar troughs, Shallow Radar, SHARAD, south polar ice cap, sublimation, water, water vapor
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