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Tag Archives: Gordii Dorsum
THEMIS: Wind-etched ground near Gordii Dorsum
THEMIS Image of the Day, July 16, 2019. Wind is one of the remaining active processes altering the surface of Mars. In regions of long term unidirectional winds, the dust and sand is winnowed away. In places with poorly cemented … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Gordii Dorsum, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, wind erosion
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THEMIS: Wind-etched sediments in Gordii Dorsum
THEMIS Image of the Day, July 10, 2019. The most common active process affecting the surface of Mars today is erosion by the wind. In areas of poorly cemented surface materials, the effect is more easily seen. This image near … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Gordii Dorsum, linear ridges, Mars Odyssey, NASA, sediments, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, wind erosion, yardangs
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HiRISE: Polygon variety pack
Polygon variety pack. The objective of this observation is to determine the nature of polygons of different sizes here in Gordii Dorsum. Who doesn’t like variety with his polygons? HiRISE Picture of the Day archive. [More at links]
Posted in Reports
Tagged Gordii Dorsum, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, polygonal terrain, University of Arizona
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THEMIS: The many textures of Gordii Dorsum
THEMIS Image of the Day, July 24, 2018. This VIS image is located at the northern end of Gordii Dorsum, where the surface slopes down into southern Amazonis Planitia. Within this image are several different surfaces and textures. At the … Continue reading
Posted in Reports
Tagged Amazonis Planitia, Arizona State University, ASU, dark slope streaks, Gordii Dorsum, Mars Odyssey, mass wasting, NASA, periglacial processes, periglacial terrain, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Ridges in Gordii Dorsum
Ridges in Gordii Dorsum. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, Gordii Dorsum, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, yardangs
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HiRISE: Yardangs forming near Gordii Dorsum
The purpose of this observation is to determine how these formations, called “yardangs” are forming within a layer of bedrock. Yardangs are streamlined hills that are carved by wind erosion from bedrock. The rock must be sufficiently erodible for wind … Continue reading
Posted in Reports
Tagged Gordii Dorsum, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, yardangs
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