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Tag Archives: floods
Hummocky Plains Unit: Flood deposit in Gale Crater
The presence of water on Mars has been theorized for centuries. Early telescopes revealed ice caps, and early astronomers noted channels that were hypothesized to be natural rivers or creature-created canals. (…) Since its landing on the “Red Planet” in … Continue reading
Posted in Reports
Tagged conglomerate rocks, Curiosity, floods, Gale Crater, Hummocky Plains Unit, Mars Science Laboratory, MSL, NASA, outburst floods
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Water floods and effusive volcanism in Hrad Vallis
[Editor’s note: From a paper by Christopher Hamilton and four co-authors recently published in the Journal of Geophysical Research.] • The Hrad Vallis region of Mars includes evidence of both aqueous flooding and effusive volcanism • Lava flows in the … Continue reading
Posted in Reports
Tagged effusive volcanism, floods, Hrad Vallis, lava flows, outflow channels, volcanism
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THEMIS: Shalbatana Vallis
THEMIS Image of the Day, May 30, 2016. Today’s VIS image shows a small portion of Shalbatana Vallis, near the end of the channel where it drains into Chryse Planitia. Two streamlined islands are visible in this image and indicate … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, floods, Mars Odyssey, NASA, outflow channels, Shalbatana Vallis, streamlined islands, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Ares Vallis
THEMIS Image of the Day, February 24, 2016. This VIS image shows a small portion of Ares Vallis. With the different elevations within the broad channel, it is thought that multiple periods of flow successively eroded lower and lower into … Continue reading
Posted in Reports
Tagged Ares Vallis, Arizona State University, ASU, floods, Mars Odyssey, NASA, outflow channels, THEMIS, Thermal Emission Imaging System
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THEMIS: Mangala Valles
THEMIS Image of the Day, September 25, 2015. This VIS image shows part of the complex channel called Mengala Valles. The tear-drop shaped regions in the channel are called streamlined islands and the narrow “tail” points down stream. More THEMIS … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, channels, floods, Mangala Valles, Mars Odyssey, NASA, outflow channels, THEMIS, Thermal Emission Imaging System, water
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THEMIS: Mangala Fossae
THEMIS Image of the Day, May 22, 2015. The linear wall at the bottom of this VIS image is a fault. The linear depression caused by faulting is part of a long depression called Mangala Fossae. More THEMIS Images of … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, floods, graben, Mangala Fossa, Mangala Valles, Mars Odyssey, NASA, tectonics, THEMIS, Thermal Emission Imaging System, volcanics
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THEMIS: Reull Vallis
THEMIS Image of the Day, March 6, 2015. This VIS image shows a section of Reull Vallis, a major channel that empties into Hellas Planitia. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, channels, floods, fluvial channels, Mars Odyssey, NASA, Reull Vallis, THEMIS, Thermal Emission Imaging System
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THEMIS: Kasei Valles false color
THEMIS Image of the Day, January 7, 2015. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, channels, color, floods, Kasei Valles, Mars Odyssey, NASA, outflow channels, THEMIS, Thermal Emission Imaging System
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THEMIS: Nilus Mensae
THEMIS Image of the Day, September 4, 2014. The hills and ridges at the top of this VIS image are part of Nilus Mensae, which is part of the complex Kasei Valles channels. More THEMIS Images of the Day by … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, channels, floods, Kasei Valles, Mars Odyssey, NASA, Nilus Mensae, outflow channels, scouring, THEMIS, Thermal Emission Imaging System
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THEMIS: Ravi Vallis
THEMIS Image of the Day, August 27, 2014. This VIS image shows a portion of Ravi Vallis. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, channels, floods, Mars Odyssey, NASA, outflow channels, Ravi Vallis, THEMIS, Thermal Emission Imaging System
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