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Tag Archives: polar caps
THEMIS: North polar cap layers
THEMIS Image of the Day, April 21, 2016. Troughs in the north polar cap reveal the layering of ice and dust. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, dust, ice, Mars Odyssey, NASA, north polar ice cap, polar caps, THEMIS, Thermal Emission Imaging System
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THEMIS: Spring at the north pole
THEMIS Image of the Day, April 2, 2014. With summer fast appoaching, the frost has sublimated away and the layers that make up the north polar cap are easily discernable. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, ice, Mars Odyssey, NASA, north polar ice cap, polar caps, THEMIS, Thermal Emission Imaging System
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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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