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Tag Archives: dunes
THEMIS: Renaudot Crater’s dunes in false color
THEMIS Image of the Day, May 31, 2019. Today’s image shows part of the floor of Renaudot Crater, located on the margin between Terra Sabaea and Utopia Planitia. The small dark blue features at the top right corner of the … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, basaltic sand, dunes, false color, ice-rich mantling, Mars Odyssey, NASA, Renaudot Crater, sand dunes, Terra Sabaea, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Utopia Planitia
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THEMIS: Herschel Crater floor in false color
THEMIS Image of the Day, May 29, 2019. This false color image shows part of the floor of Herschel Crater. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, basaltic sand, dunes, false color, Herschel Crater, Mars Odyssey, NASA, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Slopes and dunes of Sisyphi Cavi
THEMIS Image of the Day, May 2, 2019. This VIS image shows part of Sisyphi Cavi located in Noachis Terra near the south polar cap. Cavi are defined as steep sided depressions. Gullies dissect the cliff tops and dunes are … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dunes, gullies, Mars Odyssey, NASA, sand dunes, Sisyphi Cavi, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Megadunes in Hyperborei Cavi
Megadunes in Hyperborei Cavi. A cavus is an irregular steep-sided depression usually in arrays or clusters. Plus: MEGADUNES! HiRISE Picture of the Day archive. [More at links]
Posted in Reports
Tagged dunes, Hyperborei Cavi, north polar layered deposits, north polar region, sand dunes
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THEMIS: Kaiser Crater dunes
THEMIS Image of the Day, April 23, 2019. This VIS image shows large individual dunes on the floor of Kaiser Crater. Small dark lines to the right of the sand dunes are the tracks made by dust devils as they … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, dunes, dust devil tracks, Kaiser Crater, Mars Odyssey, NASA, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Dunes in low southern latitudes
Dunes in low southern latitudes. The objective of this observation is to examine a small field of dunes. HiRISE Picture of the Day archive. [More at links]
Posted in Reports
Tagged dunes, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, sand dunes, Terra Cimmeria, University of Arizona
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HiRISE: Bouncing boulders
Most debris on crater walls slides straight downhill. In this HiRISE image we see examples of boulders that have bounced downhill, not necessarily vertically. A prominent example looks like a dotted line from the top of the crater wall where … Continue reading
Posted in Reports
Tagged boulders, dunes, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, mass wasting, MRO, NASA, Syrtis Major, University of Arizona
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THEMIS: Syrtis Major Planum in false color
THEMIS Image of the Day, April 5, 2019. This false-color VIS image is located in the center of Syrtis Major Planum. At the top of the image is Nili Patera, a volcanic summit. The sand dunes located near Nili Patera … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dunes, false color, Mars Odyssey, NASA, sand dunes, Syrtis Major, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, wrinkle ridges
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HiRISE: Frost-covered dunes
Frost-covered dunes. Sprinkled with hopes and dreams, no less. This is a relatively new monitoring site that seems to have heavy carbon-dioxide snowfall. HiRISE Picture of the Day archive [More at links]
Posted in Reports
Tagged CO2 frost, dunes, frost, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, northern lowlands, northern plains, sand dunes, seasonal processes, snow, University of Arizona
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THEMIS: Dunes in a Noachis Terra crater
THEMIS Image of the Day, March 19, 2019. This VIS image shows part of the floor of an unnamed crater in Noachis Terra. Individual dunes and a large sand sheet with surface dune morphology fill a large area of the … Continue reading
Posted in Reports
Tagged 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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