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Tag Archives: northern plains
Crustal dichotomy: First a giant impact, then a superplume at the antipode
The result of collaboration between researchers at UC Berkeley, USA and the Institute of Earth Sciences, Taiwan, suggests a two-stage process to explain the martian crustal dichotomy. The dichotomy is a 5-km elevation difference between the northern and southern hemispheres … Continue reading
Posted in Reports
Tagged Borealis basin, crustal dichotomy, crustal thickness, giant impacts, mantle dynamics, northern lowlands, northern plains, plume
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HiRISE: Seasonal frost on crater slopes
Seasonal frost on crater slopes. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, CO2 frost, defrosting, frost, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, northern lowlands, northern plains, University of Arizona
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HiRISE: Dune maze craze
Dune maze craze. This image shows sand dunes on the northern plains in the spring, when the seasonal frost is sublimating (and making crazy patterns). The dunes have coalesced here into an interlocking maze. Polygons between the dunes are due … Continue reading
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, northern lowlands, northern plains, periglacial processes, periglacial terrain, sand dunes, University of Arizona
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HiRISE: Herd of dunes
Herd of dunes. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, northern lowlands, northern plains, sand dunes, University of Arizona
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HiRISE: A valley near the northern lowlands
The goal of this observation is to determine the source of the ridge within a possible moraine that is also present in another HiRISE image. A moraine is a mass of rocks and sediment carried down and deposited by a … Continue reading
Posted in Reports
Tagged glacial moraines, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, northern lowlands, northern plains, ridges, University of Arizona
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THEMIS: Shore of the sand sea
THEMIS Image of the Day, September 22, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dunes, Escorial Crater, Mars Odyssey, NASA, northern lowlands, northern plains, sand dunes, sand sea, sand sheet, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Low hill divides the dunes
THEMIS Image of the Day, September 21, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dunes, Escorial Crater, Mars Odyssey, NASA, northern lowlands, northern plains, sand dunes, sand sea, sand sheet, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: “Dry spots” in the north polar sand sea
THEMIS Image of the Day, September 20, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, defrosting, dunes, Escorial Crater, frost, Mars Odyssey, NASA, northern lowlands, northern plains, sand dunes, sand sea, sand sheet, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Basaltic dunes and frost in north polar lowlands
THEMIS Image of the Day, September 19, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, basaltic sand, defrosting, dunes, Escorial Crater, frost, Mars Odyssey, NASA, northern lowlands, northern plains, sand dunes, sand sea, sand sheet, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Frosty dunes in Siton Undae
THEMIS Image of the Day, September 18, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, CO2 frost, defrosting, dunes, Escorial Crater, frost, Mars Odyssey, NASA, northern lowlands, northern plains, sand dunes, sand sea, sand sheet, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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