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Tag Archives: active dunes
THEMIS: Warm dunes glowing in Kaiser Crater
THEMIS Image of the Day, March 9, 2017. This is an infrared image of Kaiser Crater and the dune field on the crater floor. Brighter tones in the image are warmer surfaces. The basaltic dunes are dark in the visible, … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, dunes, infrared, Kaiser Crater, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Active sand dunes in Sirenum crater
THEMIS Image of the Day, March 6, 2017. Today’s VIS image shows a field of dunes on the floor of an unnamed crater in Terra Sirenum. Their dark color indicates they are dust-free and suggests that the dune sands are … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, Mars Odyssey, NASA, sand dunes, Terra Sirenum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Monitoring dunes in Coprates Chasma
Monitoring dunes in Coprates Chasma. – Always keep your eye on those dunes. They creep up on you. Slowly. Beautiful Mars series.
Mars winds carve mountains, move & raise dust
On Mars, wind rules. Wind has been shaping the Red Planet’s landscapes for billions of years and continues to do so today. Studies using both a NASA orbiter and a rover reveal its effects on scales grand to tiny on … Continue reading
Posted in Reports
Tagged active dunes, Aeolis Mons, Bagnold Dunes, Curiosity, dunes, dust devils, eolian processes, Gale Crater, Mars Science Laboratory, Mount Sharp, MSL, NASA, sand ripples, wind
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THEMIS: Field of dunes in Sumgin Crater
THEMIS Image of the Day, January 30, 2017. Today’s VIS image shows sand dunes on the floor of Sumgin Crater. The crater is located in Noachis Terra north of Argyre Planitia. The dunes’ darker tone suggests they are relatively dust-free … Continue reading
Posted in Reports
Tagged active dunes, Argyre Planitia, Arizona State University, ASU, dunes, Mars Odyssey, NASA, Noachis Terra, sand dunes, Sumgin Crater, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Crater channels, gullies, dunes & a pit
THEMIS Image of the Day, January 25, 2017. This VIS image shows part of an unnamed crater in Terra Cimmeria. The crater rim is dissected by gullies, and the central pit has several channels entering from the higher elevation of … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, central pit, channels, dunes, gullies, Mars Odyssey, NASA, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Active dunes in Noachis Terra
THEMIS Image of the Day, January 10, 2017. Today’s VIS image shows part of Noachis Terra, including several large dunes on the floor of an unnamed crater. These dunes are dark in tone, hence free of the light dust that’s … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, dunes, Mars Odyssey, NASA, Noachis Terra, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Dark dunes over light-toned mega-ripples
Dark dunes over light-toned mega-ripples. Beautiful Mars series.
Posted in Reports
Tagged active dunes, Beautiful Mars, dune field, dune ripples, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, sand ripples, University of Arizona
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HiRISE: Tracking dune changes in Chasma Boreale
Tracking dune changes in Chasma Boreale. Beautiful Mars series.
Posted in Reports
Tagged active dunes, Beautiful Mars, Chasma Boreale, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, sand dunes, University of Arizona
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THEMIS: Dark dune in Terra Sabaea crater
THEMIS Image of the Day, August 12, 2016. The large isolated dune in this VIS image is located on the floor of an unnamed crater in Terra Sabaea. Its dark tone suggests that the dune sand is largely dust-free, probably … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, dunes, Mars Odyssey, NASA, Terra Sabaea, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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