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Tag Archives: rampart craters
THEMIS: Splashy ejecta from Tooting Crater
THEMIS Image of the Day, July 3, 2019. Today’s VIS image shows part of the ejecta blanket of Tooting Crater. Named for London suburb, Tooting Crater is a large, relatively fresh impact crater located west of Olympus Mons. (For more … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, rampart craters, rampart ejecta, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Tooting Crater
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THEMIS: Blast zone at Lonar Crater
THEMIS Image of the Day, May 7, 2018. This VIS image shows the part of the crater rim and ejecta surrounding Lonar Crater in the northern plains of Vastitas Borealis. There is a fine scale, radial grooved outer layer of … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, ground ice, groundwater, Lonar Crater, Mars Odyssey, NASA, northern plains, rampart craters, rampart ejecta, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Vastitas Borealis
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Long-term preservation of subsurface ice on Mars
Layered-ejecta craters on Mars that are associated with impacts into rock mixed with volatiles have been formed throughout the planet’s history indicating the long-term preservation of subsurface ice. Water ice on Mars is not currently stable in the near-equatorial regions … Continue reading
Posted in Reports
Tagged ground ice, layered ejecta craters, rampart craters, rampart ejecta
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THEMIS: Rampart ejecta around Yuty Crater
THEMIS Image of the Day, January 22, 2018. This VIS image shows a portion of the ejecta deposit of Yuty Crater. The raised edge of the ejecta is termed a rampart, and indicates that a volatile like water may have … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, rampart craters, rampart ejecta, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Yuty Crater
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HiRISE: Flow on the rim of Tooting Crater
This oblique view shows a small part of the near-rim ejecta from Tooting Crater. The flow extending from upper left to lower right looks much like a typical lava flow, but doesn’t emanate from a volcanic vent. Instead, this must … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, rampart craters, rampart ejecta, Tooting Crater, University of Arizona
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THEMIS: Yuty Crater’s splashy debris pattern
THEMIS Image of the Say, October 10, 2016. This VIS image shows part of the ejected debris around Yuty Crater. The ejecta, with the raised outer margin, is called a rampart. It comes from water- or ice-rich ground where the … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, rampart craters, rampart ejecta, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Yuty Crater
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THEMIS: Yuty Crater
THEMIS Image of the Day, June 14, 2016. This VIS image shows a small portion of Yuty Crater’s ejecta blanket. The crater is off the image to the right. The lobes of ejecta end in a raised ridge of material; … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, ground ice, groundwater, Mars Odyssey, NASA, rampart craters, rampart ejecta, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Yuty Crater
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THEMIS: Yuty Crater ejecta – false color
THEMIS Image of the Day, April 26, 2016. Today’s false color image shows part of the ejecta from Yuty Crater. The THEMIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, rampart craters, rampart ejecta, THEMIS, Thermal Emission Imaging System, Yuty Crater
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THEMIS: Rampart crater
THEMIS Image of the Day, February 17, 2016. This VIS image shows an unnamed crater in Acidalia Planitia. The margins of the ejecta are lobate and higher than the ejecta closer to the crater. This type of ejecta blanket is … Continue reading
Posted in Reports
Tagged Acidalia Planitia, Arizona State University, ASU, fresh craters, Mars Odyssey, NASA, rampart craters, rampart ejecta, secondary craters, THEMIS, Thermal Emission Imaging System
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THEMIS: Crater
THEMIS Image of the Day, September 3, 2015. This relatively young crater is located on the northern plains of Arcadia Planitia. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arcadia Planitia, Arizona State University, ASU, craters, Mars Odyssey, NASA, rampart craters, rampart ejecta, THEMIS, Thermal Emission Imaging System
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