Tag Archives: THEMIS Image of the Day

THEMIS: Northern Arabia Terra channel

THEMIS Image of the Day, August 8, 2019. The margin between Arabia Terra and the surrounding lowlands is dissected by numerous named and unnamed channels. Today’s VIS image shows part of an unnamed channel in the region. The channel floor … Continue reading

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THEMIS: At the north polar cap’s edge

THEMIS Image of the Day, August 7, 2019. Today’s VIS image is located on the edge of the polar cap. The ice is located at the bottom of the frame, with the surrounding plains at the top half. The circular … Continue reading

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THEMIS: Flank of Albor Tholus volcano

THEMIS Image of the Day, August 6, 2019. Today’s VIS image shows a portion of the flank of Albor Tholus, a volcano found in the Elysium volcanic complex. The pits and cracks may have formed when the volcano’s flank responded … Continue reading

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THEMIS: Frosty dunes in Hyperboreae Undae

THEMIS Image of the Day, August 5, 2019. Several dune fields encircle the north polar cap. Hyperboreae Undae is one of them, located near Escorial Crater and Chasma Boreale. This VIS image was taken during the spring season, when the … Continue reading

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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

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THEMIS: Ascraeus Mons flank and lava plains

THEMIS Image of the Day, August 1, 2019. This VIS image is located where the southeastern flank of Ascraeus Mons meets the surrounding volcanic plains. Ascraeus Mons is the northernmost of the three large Tharsis volcanoes. Explore more THEMIS Images … Continue reading

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THEMIS: Mega-gullies in Sinai Planum

THEMIS Image of the Day, July 31, 2019. Today’s VIS image shows part a section of a mega gully. Located on the plains of Sinai Planum, it is just one of a number of huge channels that line the cliff … Continue reading

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THEMIS: Elysium Chasma

THEMIS Image of the Day, July 30, 2019. This fracture system is called Elysium Chasma. Located west of Elysium Mons, it is just one of many large fractures in the Elysium volcanic complex. Explore more THEMIS Images of the Day … Continue reading

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THEMIS: Graben in Elysium Fossae

THEMIS Image of the Day, July 29, 2019. Today’s VIS image shows a section of one of the graben that comprise Elysium Fossae. Graben are formed during tectonic activity, where blocks of material slide down between paired faults. Graben are … Continue reading

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THEMIS: Terra Cimmeria channel

THEMIS Image of the Day, July 26, 2019. This VIS image shows an unnamed channel in Terra Cimmeria. The channel is located immediately outside of the rim of Knobel Crater. Explore more THEMIS Images of the Day by geological subject.

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