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Tag Archives: gullies
HiRISE: Frost highlights in springtime
This image of a crater rim strikingly shows what appear to be bright white flows coming from gullies in the crater wall. However, HiRISE has been watching these gullies for some time (going all the way back to our first … Continue reading
Posted in Reports
Tagged frost, gullies, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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Small amounts of CO2 can get Mars gullies flowing
[Editor’s note: From a paper by Tjalling de Haas and six co-authors recently published in the Journal of Geophysical Research.] Initiation and Flow Conditions of Contemporary Flows in Martian Gullies • We use RAMMS to back calculate initial and flow … Continue reading
Posted in Reports
Tagged CO2, debris flows, gullies, Hale Crater, mass wasting, particle flows
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THEMIS: Mega-gullies in Sinai Planum
THEMIS Image of the Day, July 31, 2019. Today’s VIS image shows part a section of a mega gully. Located on the plains of Sinai Planum, it is just one of a number of huge channels that line the cliff … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, gullies, Ius Chasma, Mars Odyssey, mega-gullies, NASA, Sinai Planum, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Valles Marineris
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HiRISE: The hills in Eos Chasma
The hills in Eos Chasma. They may not be alive with the sound of music, but we’ll take the opportunity to look for recurring slope lineae, small gullies and slumped material. HiRISE Picture of the Day archive. [More at links]
Posted in Reports
Tagged Eos Chasma, gullies, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, mass wasting, MRO, NASA, recurring slope lineae, RSL, University of Arizona
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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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THEMIS: Terra Cimmeria crater gullies
THEMIS Image of the Day, April 24, 2019. This VIS image shows part of the rim of an unnamed crater in Terra Cimmeria. A group of channels dissect the rim near to upper left of the image. These channels are … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, gullies, Mars Odyssey, NASA, Terra Cimmeria, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Gullies on Gorgonum Chaos mesas
Gullies on Gorgonum Chaos mesas. This observation shows part of Gorgonum Chaos, a large cluster of chaotic terrain found in the Southern Hemisphere. Many regions of chaotic terrain are found at the head of large outflow channels that were scoured … Continue reading
Posted in Reports
Tagged Gorgonum Chaos, gullies, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, mass wasting, mesas, MRO, NASA, University of Arizona
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HiRISE: Complex gullies in a crater
Most gullies in the southern mid-latitudes are on south-facing slopes, which are the coldest and have the most frost in the winter. However, some occur on other slopes. This image shows large gullies on both the pole- and equator-facing slopes. … Continue reading
Posted in Reports
Tagged gullies, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, mass wasting, MRO, NASA, University of Arizona
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HiRISE: In the gullies and bedrock of Ius Chasma
This image was acquired in Ius Chasma, a major section of the western portion of the giant Valles Marineris trough. We see a portion of a steep slope with gullies extending downhill (towards bottom of image). Many of the gully … Continue reading
Posted in Reports
Tagged bedrock, gullies, High Resolution Imaging Science Experiment, HiRISE, Ius Chasma, Mars Reconnaissance Orbiter, MRO, NASA, recurring slope lineae, RSL, University of Arizona, Valles Marineris
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THEMIS: Big impacts and little in Terra Cimmeria
THEMIS Image of the Day, March 13, 2019. This VIS image contains three craters. There is a quarter of the largest crater in the top half of the image, half of a smaller crater at the very top, and the … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, ejecta, gullies, impact craters, impacts, Mars Odyssey, NASA, radial ejecta, Terra Cimmeria, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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