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Tag Archives: patterned ground
HiRISE: Corduroy dunes
Corduroy dunes. The permanent polar cap of Mars is encircled by sand dunes and looking like pulled threads, these dunes march across a fabric of patterned ground. At this time of the Martian year they are free of the seasonal … Continue reading
Posted in Reports
Tagged Beautiful Mars, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar sand sea, patterned ground, sand dunes, University of Arizona
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HiRISE: Hexagons in icy terrain
Ground cemented by ice covers the high latitudes of Mars, much as it does in Earth’s cold climates. A common landform that occurs in icy terrain are polygons. Polygonal patterns form by winter cooling and contraction cracking of the frozen … Continue reading
Posted in Reports
Tagged ground ice, High Resolution Imaging Science Experiment, HiRISE, ice, ice polygons, Mars Reconnaissance Orbiter, MRO, NASA, patterned ground, periglacial processes, periglacial terrain, polygonal terrain, University of Arizona
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HiRISE: Lineated terrain
Lineated terrain — At first glance, these appear as ridges, but a closer inspection shows patterned ground on a (roughly) level surface. In the absence of a slope, how did these form? Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, patterned ground, periglacial processes, University of Arizona
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HiRISE: Channel system & patterned ground near Hellas
In this image, we explore the southwestern floor of a 50-kilometer diameter unnamed crater, about 100 kilometers northeast of Hellas Basin. The crater’s rim is breached (see Google context image below) on both the north and south by a valley … Continue reading
Posted in Reports
Tagged channels, fluvial landforms, Hellas Basin, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, patterned ground, University of Arizona
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HiRISE: Strange patterned ground
Strange patterned ground and circular spots in dark area. This formation is right under the rim of an impact crater. There is a possibility of frost at this latitude, but doesn’t look like it is recent. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, CO2 frost, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, patterned ground, University of Arizona
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