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Tag Archives: Terra Sirenum
THEMIS: Crater rim gullies in Terra Sirenum
THEMIS Image of the Day, November 6, 2018. Numerous gullies dissect the northern rim of this unnamed crater in Terra Sirenum. The inside of the north rim faces away from the Sun and is more deeply gullied than the Sun-facing … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, craters, gullies, impact craters, Mars Odyssey, NASA, pasted-on terrain, snowmelt, Terra Sirenum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Wind streaks in Terra Sirenum
THEMIS Image of the Day, August 28, 2018. This VIS image shows a small region in Terra Sirenum. The bright material forming “tails” behind the craters were created by surface winds funneled over and around the crater. The raised rims … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dust, Mars Odyssey, NASA, Terra Sirenum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, wind streaks
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THEMIS: Channel within a channel in Terra Sirenum
THEMIS Image of the Day, April 9, 2018. Today’s VIS image is located along the northern margin of Terra Sirenum. This unnamed channel contains a small channel within a larger channel. This would indicate two separate channel forming events. The … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, channels, fluvial channels, Mars Odyssey, NASA, stream erosion, Terra Sirenum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Traipsing across Terra Sirenum
Traipsing across Terra Sirenum. Terra Sirenum is named after the Sirens who were birds with the heads of girls. In the Odyssey these girls captured passing seamen and killed them. Let’s hope future human exploration of this region is less … Continue reading
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, Terra Sirenum, University of Arizona
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HiRISE: A crater slope in Terra Sirenum mocks us
A crater slope in Terra Sirenum mocks us. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, craters, High Resolution Imaging Science Experiment, HiRISE, impact processes, Mars Reconnaissance Orbiter, MRO, NASA, Terra Sirenum, University of Arizona
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THEMIS: Crater impact sequence
THEMIS Image of the Day, July 17, 2017. Today’s VIS image shows unnamed craters in Terra Sirenum. The ejected debris from both impacts have overlapped. The debris from the smaller crater at bottom lies on top, showing that the impact … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, crater ejecta, Mars Odyssey, NASA, Terra Sirenum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Hills and plains of Terra Sirenum
THEMIS Image of the Day, July 14, 2017. Today’s false color image shows part of the plains and highlands of Terra Sirenum. The THEMIS camera contains 5 filters. The data from different filters can be combined in multiple ways to … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, false color, Mars Odyssey, NASA, Terra Sirenum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Newton Crater in false color
THEMIS Image of the Day, July 11, 2017. Today’s false color image shows part of Newton Crater in Terra Sirenum. 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, false color, Mars Odyssey, NASA, Newton Crater, Terra Sirenum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Light-toned mounds in Gorgonum Basin
Gorgonum Basin is one of several large basins within the Terra Sirenum region of Mars. Each basin has light-toned mounds, many of which contain clays. Scientists think that Terra Sirenum once had a large lake during an epoch called the … Continue reading
Posted in Reports
Tagged Gorgonum Basin, Gusev Crater, High Resolution Imaging Science Experiment, HiRISE, Ma'adim Vallis, Mars Reconnaissance Orbiter, MRO, NASA, Spirit rover, Terra Sirenum, University of Arizona
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THEMIS: Two small craters in Terra Sirenum
THEMIS Image of the Day, June 19, 2017. Do you see what I see? Shadows are just right to form googly eyes. (THEMIS Art #128). More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, craters, Mars Odyssey, NASA, Terra Sirenum, THEMIS, THEMIS Art, THEMIS Image of the Day, Thermal Emission Imaging System
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