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Tag Archives: stream erosion
THEMIS: Channels through Acheron Fossae
THEMIS Image of the Day, August 2, 2019. This VIS image is located on the northern side of Acheron Fossae. Acheron Fossae is a complex tectonic region north of Olympus Mons. In this region of Acheron Fossae, channels drain down … Continue reading
Posted in Reports
Tagged Acheron Fossae, Arizona State University, ASU, channels, fluvial channels, Mars Odyssey, NASA, stream erosion, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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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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THEMIS: Hebrus Valles
THEMIS Image of the Day, January 12, 2016. This VIS image shows a portion of Hebrus Valles. This channel system was formed by liquid flow of either water or lava, or a combination of both. There is a streamlined island … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, fluvial channels, fluvial landforms, Hebrus Valles, lava channels, Mars Odyssey, NASA, stream erosion, streamlined islands, THEMIS, Thermal Emission Imaging System, volcanics
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Valley networks were eroded quckly
Networks of valleys cross much of the ancient surface of Mars, and along with deltas and other features these all show that the environment once warm and wet enough to sustain liquid water at the surface. But when? And for … Continue reading