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Tag Archives: north polar sand sea
THEMIS: Patterns on patterns in Olympia Undae
THEMIS Image of the Day, September 4, 2019. Today’s VIS image shows part of Olympia Undae, the largest of several dune fields that encircle the north polar cap. (It is also known as the north polar sand sea.) This image … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, north polar sand sea, Olympia Undae, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: North polar layers and sand dunes
THEMIS Image of the Day, July 23, 2019. Today’s VIS image shows part of the north polar cap, as well as sand dunes located on the floor of a polar trough. The north polar cap is surrounded by numerous dune … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, north polar ice cap, north polar layered deposits, north polar sand sea, polar troughs, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Patterns on patterns in the Olympia Undae dunes
THEMIS Image of the Day, July 19, 2019. Today’s VIS image shows a small portion of Olympia Undae. Olympia Undae is a large dune field that dominates the plains along part of the north polar cap. This image was collected … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, north polar sand sea, northern plains, Olympia Undae, sand, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, wind
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HiRISE: A song of dune and ice
A song of dune and ice. This image shows rare dunes superposed on elements of the polar cap near Olympia Undae, which is a vast dune field in the north polar region of Mars. HiRISE Picture of the Day archive. … Continue reading
Posted in Reports
Tagged dunes, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, north polar ice cap, north polar sand sea, Olympia Undae, sand dunes, University of Arizona
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HiRISE: A frosted surface
This is the first of a new monitoring series to track seasonal processes. It is also a striking image with late winter angled illumination over dunes covered by carbon dioxide frost mixed with dust. Dark spots may be where sand … Continue reading
Posted in Reports
Tagged carbon dioxide ice, CO2 frost, dust, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar region, north polar sand sea, University of Arizona
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HiRISE: Dunes in the shapes of Ts and Vs
Dunes in the shapes of Ts and Vs. They also look like funnel shapes. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar sand sea, sand dunes, University of Arizona
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THEMIS: North polar dunes meet Escorial Crater
THEMIS Image of the Day, September 25, 2018. At the bottom of this image is Escorial Crater. The dune field to the north are called Hyperboreae Undae. The subtle blue and yellow arcs over the crater are clouds. The THEMIS … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Escorial Crater, Hyperboreae Undae, Mars Odyssey, NASA, north polar sand sea, sand, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: The other Pan’s labyrinth
The other Pan’s labyrinth. These polar dunes are located near source of gypsum. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, gypsum, gypsum dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar sand sea, polar dunes, sand dunes, University of Arizona
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THEMIS: Dunes and Escorial Crater ejecta in false color
THEMIS Image of the Day, September 13, 2018. The ‘brown’ in this VIS image is part of the ejecta surrounding Escorial Crater. The material of the ejecta blanket is much more resistant to local winds and remains as a plateau … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dunes, Escorial Crater, Hyperboreae Undae, Mars Odyssey, NASA, north polar sand sea, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Siton Undae dunes in false color
THEMIS Image of the Day, September 12, 2018. The blue features in this VIS image are sand dunes located near Escorial Crater and the north polar cap. The dune field is called Siton Undae. The THEMIS VIS camera contains 5 … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dunes, Escorial Crater, Mars Odyssey, NASA, north polar sand sea, sand dunes, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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