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Tag Archives: impact craters
HiRISE: Classic crater
Well preserved and loving it. Is there something particularly special about this nice, 2-kilometer diameter crater? Maybe not, but its simplicity, classic shape and fairly well-preserved rim speak for itself in a desolate landscape. HiRISE Picture of the Day archive. … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, impact craters, impact processes, Mars Reconnaissance Orbiter, MRO, NASA, Tiu Valles, University of Arizona
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Did the Lomonosov Crater impact create a mega-tsunami?
[Editor’s note: From a paper by François Costard and eight co-authors recently published in the Journal of Geophysical Research.] The Lomonosov Crater Impact Event: A Possible Mega‐Tsunami Source on Mars • Unusual morphometric characteristics of Lomonosov crater in comparison to … Continue reading
Posted in Reports
Tagged asteroid impacts, impact craters, impact processes, Lomonosov Crater, northern ocean, northern plains, tsumani
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Curiosity: Mastcam, near and far
Sol 2468, July 17, 2019. The wide-angle (34mm) Mastcam shot an outcrop next to Curiosity that shows layered sediments on the left and a different texture on the right. Below is a five-frame sequence looking toward a local rise and … Continue reading
Posted in Reports
Tagged Aeolis Mons, CBU, clay-bearing unit, Curiosity, Gale Crater, Glen Torridon, impact craters, lake bed sediments, layered deposits, Mars Science Laboratory, Mount Sharp, MSL, Murray Formation, NASA, Sandside Harbour, sedimentary deposits
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HiRISE: Uncommon
Uncommon. Craters are, of course, common on Mars, but what is interesting about this one is that the impact excavated some uncommon hydrous minerals. Also, the image suggester’s name is John Carter. Make of that what you will. HiRISE Picture … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, hydrous minerals, impact craters, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: A crater on the south polar layered deposits
This image is part of a campaign to image potential impact craters in the south polar layered deposits (ice cap). This feature looks like a strong candidate for an impact crater because it is very circular are still has a … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, impact craters, Mars Reconnaissance Orbiter, MRO, NASA, south polar layered deposits, University of Arizona
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Groundwater origin for recurring slope lineae?
In mid-2018, researchers supported by the Italian Space Agency detected the presence of a deep-water lake on Mars under its south polar ice caps. [Ed. note: previously reported here.] Now researchers at the USC Arid Climate and Water Research Center … Continue reading
Posted in Reports
Tagged fractures, groundwater, impact craters, Palikir Crater, recurring slope lineae, RSL
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THEMIS: Impact craters in Arabia Terra
THEMIS Image of the Day, March 29, 2019. This false-color VIS image shows parts of several craters located in Arabia Terra. Blue tones in false color images indicated the presence of basaltic sands. The THEMIS VIS camera contains 5 filters. … Continue reading
Posted in Reports
Tagged Arabia Terra, Arizona State University, ASU, basaltic sand, false color, impact craters, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Big impacts and little in Terra Cimmeria
THEMIS Image of the Day, March 13, 2019. This VIS image contains three craters. There is a quarter of the largest crater in the top half of the image, half of a smaller crater at the very top, and the … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, ejecta, gullies, impact craters, impacts, Mars Odyssey, NASA, radial ejecta, Terra Cimmeria, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Living on the edge
Living on the edge. The rim of this crater looks fairly sharp, meaning it hasn’t degraded too much even though it is likely very old. The exposed, light-toned bedrock is a bonus. HiRISE Picture of the Day archive [More at … Continue reading
Posted in Reports
Tagged bedrock, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, impact craters, Mars Reconnaissance Orbiter, MRO, NASA, Terra Cimmeria, University of Arizona
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THEMIS: Volcanic plains east of Olympus Mons
THEMIS Image of the Day, February 22, 2019. This VIS false-color image shows a small part of the extensive volcanic plains located east of the giant volcano Olympus Mons. While the colors are generally soft and subtle, they indicate real … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, false color, impact craters, lava flows, Mars Odyssey, NASA, Olympus Mons, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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