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Tag Archives: dust avalanches
THEMIS: Dark slope streaks in rugged terrain
THEMIS Image of the Day, May 31, 2018. This VIS image shows part of the ‘rim’ of Orcus Patera. How Orcus Patera formed is a mystery. Along the east facing ridge walls in this image multiple regions of dark slope … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dark slope streaks, dust avalanches, Mars Odyssey, NASA, Orcus Patera, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: A nice gathering of slope streaks
A nice gathering of slope streaks. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, dark slope streaks, dust avalanches, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Splitting slope streaks
Streaks form on slopes when dust cascades downhill. The dark streak is an area of less dust compared to the brighter and reddish surroundings. What triggers these avalanches is not known, but might be related to sudden warming of the … Continue reading
Posted in Reports
Tagged dark slope streaks, dust avalanches, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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THEMIS: Dust avalanches in Terra Sabaea
THEMIS Image of the Day, July 21, 2017. This VIS image shows several dark slope streaks on the inner rim of an unnamed crater in Terra Sabaea. These features are thought to be formed by dust avalanches — downslope movement … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dark slope streaks, dust avalanches, Indus Vallis, Mars Odyssey, NASA, Terra Sabaea, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Swept away
Swept away. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, dark slope streaks, dust, dust avalanches, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Dark slope streaks, of many ages
Everything is a canvas. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, dark slope streaks, dust, dust avalanches, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Dark slope streaks on a mound
O small martian mound! Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, dark slope streaks, dust avalanches, High Resolution Imaging Science Experiment, HiRISE, Labeatis Fossae, Mars Reconnaissance Orbiter, mounds, MRO, NASA, University of Arizona
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THEMIS: Dark slope streaks in Arabia Terra crater
THEMIS Image of the Day, August 22, 2016. Today’s VIS image shows part of an unnamed crater in Arabia Terra. The inner rim of the crater has numerous dark streaks. It is possible that these features form due to downslope … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dark slope streaks, dust, dust avalanches, Mars Odyssey, mass wasting, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Dark slope streaks
THEMIS Image of the Day, July 7, 2016. Today’s VIS image shows the inner rim of an unnamed crater on the western margin of Daedalia Planum. Numerous dark streaks are visible on the faces of the inner rim. A possible … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Daedalia Planum, dark slope streaks, dust avalanches, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Dark slope streaks
THEMIS Image of the Day, May 19, 2016. Today’s image shows an unnamed crater in Terra Sabaea. There are numerous dark streaks visible on the inner rim of the crater. These streaks are thought to form due to down slope … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dust avalanches, Mars Odyssey, NASA, Terra Sabaea, THEMIS, Thermal Emission Imaging System
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