Tag Archives: Arizona State University

THEMIS: Dark streaks on the rim of Orcus Patera

THEMIS Image of the Day, August 15, 2018. Today’s VIS image is located on the western margin of Orcus Patera. Dark slope streaks are present on most ridges in the image. Formation of these features is linked to a change … Continue reading

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THEMIS: Crosscross tectonics in Lycus Sulci

THEMIS Image of the Day, August 14, 2018. Lycus Sulci is a very complex region surrounding the northern and western flanks of Olympus Mons. This VIS image shows some of the tectonic features found in Lycus Sulci as well as … Continue reading

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THEMIS: Breaking ground in Aram Chaos

THEMIS Image of the Day, August 13, 2018. Today’s VIS image shows part of Aram Chaos. Aram Chaos was initially formed by a large impact. Over time the crater interior was modified by several different processes, including liquid water. Located … Continue reading

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THEMIS: Double impact at Buvinda Vallis

THEMIS Image of the Day, August 10, 2018. Today’s VIS image shows a portion of Buvinda Vallis, a channel near the flank of Hecates Tholus. The closeness of the volcano suggests that the channel was eroded by a lava flow, … Continue reading

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THEMIS: Terra Sabaea dark slope streaks

THEMIS Image of the Day, August 9, 2018. This VIS image is located in Terra Sabaea. The ridge near the right side of the image contains dark slope streaks. These features are thought to form by downslope movement of material … Continue reading

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THEMIS: Complex feature in Hephaestus Fossae

THEMIS Image of the Day, August 8, 2018. This VIS image is located at the eastern end of Hephaestus Fossae. Hephaestus Fossae is a channel system in Utopia Planitia near Elysium Mons. It has been proposed that the channel formed … Continue reading

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THEMIS: Dark slope streaks in Terra Sabaea

THEMIS Image of the Day, August 7, 2018. This VIS image is located in an unnamed crater in Terra Sabaea. The entire inner rim of the crater near the center of the image contains dark slope streaks. These features are … Continue reading

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THEMIS: Elysium Fossae’s channels

THEMIS Image of the Day, August 6, 2018. Today’s VIS image contains a section of one of the many channel forms found on the northwestern side of the Elysium Mons volcanic complex. The channel features are thought to have both … Continue reading

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THEMIS: Active dunes and ground-ice creep

THEMIS Image of the Day, August 3, 2018. This VIS image is located in the region between northern Terra Sabaea and Utopia Planitia. This unnamed crater contains a small, dark dune field. Darkness suggests the dunes are dust-free, hence probably … Continue reading

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THEMIS: Fault-edged blocks of Sacra Fossae

THEMIS Image of the Day, August 2, 2018. The right angle intersections in this VIS image are some of the graben that form Sacra Fossae. The fossae are located on the margin of Lunae Planum near the beginning of Kasei … Continue reading

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