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Tag Archives: north polar sand sea
THEMIS: More Siton Undae
THEMIS Image of the Day, May 27, 2014. Today’s image shows another section of Siton Undae. There is a crater just off the image to the left (west). In the lee of this unnamed crater there are no dunes, but … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dust devil tracks, Mars Odyssey, NASA, north polar sand sea, sand dunes, Siton Undae, THEMIS, Thermal Emission Imaging System
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THEMIS: Siton Undae
THEMIS Image of the Day, May 26, 2014. Today’s VIS image shows some of the dunes that are located near the north polar cap. This region of dunes is part of Siton Undae. More THEMIS Images of the Day by … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, north polar sand sea, sand dunes, Siton Undae, THEMIS, Thermal Emission Imaging System
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HiRISE: At the edge of a polar cap
Formative downslope winds descending on Mars’ North Polar ice cap likely play an important role in transporting sediment from the base of the ice cap into the dune fields that sit beyond the ice cap. The deep chasm that formed … Continue reading
Posted in Reports
Tagged dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar ice cap, north polar sand sea, Olympia Undae, sand dunes, University of Arizona
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THEMIS: Crater dunes
THEMIS Image of the Day, May 16, 2014. Today’s VIS image shows another unnamed crater near the north pole with dunes on its floor. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, craters, dunes, Mars Odyssey, NASA, north polar sand sea, sand, sand dunes, THEMIS, Thermal Emission Imaging System
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THEMIS: Crater dunes
THEMIS Image of the Day, May 14, 2014. A sand sheet with surface dune forms partly surrounds the central peak of this unnamed crater near the north pole. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, craters, dunes, Mars Odyssey, NASA, north polar sand sea, polar sand dunes, sand, sand dunes, THEMIS, Thermal Emission Imaging System
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THEMIS: Crater dunes
THEMIS Image of the Day, May 13, 2014. A sand sheet with surface dune forms covers the floor of this unnamed crater near the north pole. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, craters, Mars Odyssey, NASA, north polar sand sea, sand, sand dunes, THEMIS, Thermal Emission Imaging System
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THEMIS: Polar dunes
THEMIS Image of the Day, May 8, 2014. Today’s VIS image shows part of Aspledon Undae, one of several dune fields near the north pole. The term Undae means dunes. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, Aspledon Undae, ASU, dunes, Mars Odyssey, NASA, north polar sand sea, polar sand dunes, sand dunes, THEMIS, Thermal Emission Imaging System
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THEMIS: Polar dunes
THEMIS Image of the Day, May 2, 2014. As the season changes from spring to summer, the dunes surrounding the north polar cap become darker and darker. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, dunes, Mars Odyssey, NASA, north polar sand sea, sand dunes, THEMIS, Thermal Emission Imaging System
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HiRISE: Dunes and ripples in Olympia Undae
Olympia Undae is a large field of sand dunes surrounding Mars’ North Polar ice cap. Because of the high latitude of the dunes, they are covered with water and carbon dioxide frost in the winter and are poorly illuminated. They … Continue reading
Posted in Reports
Tagged dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar sand sea, Olympia Undae, polar sand dunes, sand, sand dunes, sand ripples, University of Arizona
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THEMIS: Olympia Undae
THEMIS Image of the Day, April 10, 2014. The sand dunes in this VIS image are part of Olympia Undae, a huge sand sea located near the north polar cap. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, north polar sand sea, Olympia Undae, polar sand dunes, sand, sand dunes, THEMIS, Thermal Emission Imaging System
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