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Tag Archives: carbon dioxide ice
THEMIS: South polar layers
THEMIS Image of the Day, June 14, 2019. This VIS image shows part of the south polar cap. The numerous layers that comprise the polar cap are readily visible. The cap was built up over millions of years of deposition … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, carbon dioxide ice, dust, ice, Mars Odyssey, NASA, south polar ice cap, south polar layered deposits, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: A frosted surface
This is the first of a new monitoring series to track seasonal processes. It is also a striking image with late winter angled illumination over dunes covered by carbon dioxide frost mixed with dust. Dark spots may be where sand … Continue reading
Posted in Reports
Tagged carbon dioxide ice, CO2 frost, dust, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar region, north polar sand sea, University of Arizona
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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
THEMIS: South polar textures
THEMIS Image of the Day, November 14, 2014. The numerous small depressions seen in this VIS image of the south polar cap are informally called swiss cheese. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, carbon dioxide ice, CO2 ice, Mars Odyssey, NASA, south polar ice cap, Swiss-cheese terrain, THEMIS, Thermal Emission Imaging System
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HiRISE: Outbreak
Outbreak. These are examples of carbon dioxide frost around areas where the ice has sublimated (gone directly from a solid to a gas). Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, carbon dioxide ice, CO2 frost, frost, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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South polar CO2 ice could double Mars’ atmosphere
Results from the Shallow Radar (SHARAD) instrument on NASA’s Mars Reconnaissance Orbiter show that the south polar layered deposits on Mars hold about 30 times as much carbon dioxide ice as previously known. If this CO2 were released into the … Continue reading
Posted in Reports
Tagged atmosphere, carbon dioxide ice, CO2 ice, Mars Reconnaissance Orbiter, Shallow Radar, SHARAD, south polar layered deposits
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