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Tag Archives: active dunes
Bagnold Dunes sand movement observed by Curiosity
[Editor’s note: From a paper by Mariah Baker and nine co-authors recently published in Geophysical Research Letters.] The Bagnold Dunes in Southern Summer: Active Sediment Transport on Mars Observed by the Curiosity Rover • Curiosity’s imaging campaigns in the Bagnold … Continue reading
Posted in Reports
Tagged active dunes, Bagnold Dunes, Cape Elizabeth, Curiosity, Dorr Mountain, Gale Crater, Mapleton, Mars Science Laboratory, MSL, NASA, Ogunquit Beach, Precipice, sand, sand dunes, Sandy Point Beach, Southern Cove
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THEMIS: Active dunes and ground-ice creep
THEMIS Image of the Day, August 3, 2018. This VIS image is located in the region between northern Terra Sabaea and Utopia Planitia. This unnamed crater contains a small, dark dune field. Darkness suggests the dunes are dust-free, hence probably … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, dunes, ground ice, Mars Odyssey, NASA, periglacial processes, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Active dunes and possible glacier flow
THEMIS Image of the Day, July 6, 2018. This VIS image is located on the floor of an unnamed crater between Terra Sabaea and Utopia Planitia. The center of the image contains several regions of sand dunes. The dunes occupy … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, dunes, glaciers, Mars Odyssey, NASA, sand dunes, Terra Sabaea, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Milankovic Crater dunes
THEMIS Image of the Day, June 4, 2018. Milankovic Crater is located in central Arcadia Planitia. This VIS image shows small dark sand dunes on the crater floor, and larger dunes within the central crater peak/pit feature. With a diameter … Continue reading
Posted in Reports
Tagged Acidalia Planitia, active dunes, Arizona State University, ASU, central peaks, dunes, Mars Odyssey, Milankovic Crater, NASA, peak-ring craters, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Basaltic sand dunes in Arabia Terra crater
THEMIS Image of the Day, May 3, 2018. A group of dunes is visible on the floor of this unnamed crater in Arabia Terra. The dunes contain basaltic sand, which is darker than the dust covered materials of the rest … Continue reading
Posted in Reports
Tagged active dunes, Arabia Terra, Arizona State University, ASU, basaltic sand, Mars Odyssey, NASA, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Dunes in slow motion
Dunes in slow motion. These almost look like waves. Beautiful Mars series. [More at links]
Posted in Reports
Tagged active dunes, Beautiful Mars, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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THEMIS: Dunes and creeping ground in Lyot Crater
THEMIS Image of the Day, April 11, 2018. Lyot Crater is a large, complex crater in the northern lowlands of Vastitas Borealis. This image is located along the southern rim of the crater and shows part of the dune fields … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, dunes, ice-rich mantling, Lyot Crater, Mars Odyssey, NASA, periglacial processes, sand dunes, solifluction, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Vastitas Borealis
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HiRISE: Ongoing dune activity in Ganges Chasma
Ongoing dune activity in Ganges Chasma. Beautiful Mars series.
Posted in Reports
Tagged active dunes, Beautiful Mars, dunes, Ganges Chasma, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, sand dunes, University of Arizona
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HiRISE: Windblown sand in Ganges Chasma
Dark, windblown sand covers intricate sedimentary rock layers in this image from Ganges Chasma, a canyon in the Valles Marineris system. These features are at once familiar and unusual to those familiar with Earth’s beaches and deserts. Most sand dunes … Continue reading
Posted in Reports
Tagged active dunes, basaltic sand, Ganges Chasma, High Resolution Imaging Science Experiment, HiRISE, layers, Mars Reconnaissance Orbiter, MRO, NASA, sand, sand dunes, sedimentary debris, University of Arizona
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THEMIS: Gale Crater & Mt. Sharp in false color
THEMIS Image of the Day, March 24, 2017. Today’s false color image shows part of Gale Crater, the home of Curiosity Rover. The rover has driven about 10 miles (16 km) from where it landed and is currently traversing across … Continue reading
Posted in Reports
Tagged active dunes, Aeolis Mons, Arizona State University, ASU, Curiosity, dunes, Gale Crater, Mars Odyssey, Mars Science Laboratory, Mount Sharp, MSL, NASA, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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