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Tag Archives: polar layered deposits
THEMIS: South polar outliers
THEMIS Image of the Day, April 26, 2019. This VIS image is located near the south polar cap and exhibits the same layering of ice and dust. Outliers are regions that were once part of a larger regional feature but … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, layered deposits, Mars Odyssey, NASA, polar layered deposits, south polar layered deposits, south polar region, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Exposure of north polar layered deposits
Beautiful Mars series. Exposure of north polar layered deposits. More Beautiful Mars images.
Posted in Reports
Tagged Beautiful Mars, dust, High Resolution Imaging Science Experiment, HiRISE, ice, Mars Reconnaissance Orbiter, MRO, NASA, north polar ice cap, north polar layered deposits, polar layered deposits, University of Arizona
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Hidden valley at the north pole
The north polar cap of Mars has a wide, deep trough called Chasma Boreale that slices into the polar cap for 560 kilometers (350 miles). The floor of the chasma exposes a layer of sand and dust cemented with water … Continue reading
Posted in Reports
Tagged climate, climate change, LPSC 2012, Mars Express, Mars Reconnaissance Orbiter, MARSIS, north polar ice cap, polar layered deposits, SHARAD
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Ice cap winds spread polar gypsum
The north polar cap of Mars is surrounded by a vast dune field, about as large as Earth’s Kalahari Desert, that contains extensive deposits of gypsum. The gypsum’s origin has been debated since the mineral was discovered in 2005, yet … Continue reading
Posted in Reports
Tagged basal unit, climate change, CRISM, dunes, dust, gypsum, ice cap, katabatic winds, north polar ice cap, OMEGA, polar layered deposits, wind
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No flow found in north polar ice layers
The northern polar ice cap of Mars contains a thick stack of layers rich in water ice. Under the right conditions ice can flow, as seen in ice sheets and glaciers on Earth. What about Mars? A group of scientists … Continue reading
Peeking into a stacked deck
No one is planning to send a Mars rover into the high latitudes (north or south) anytime soon, but if a paper in Icarus (June 2011) by Seth J. Kadish and James W. Head (both Brown University) is correct, scientists … Continue reading
Posted in Reports
Tagged climate change, craters, dust, ice, impacts, pedestal craters, polar layered deposits
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