Tag Archives: Mars Odyssey

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

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

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.

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Cerberus Fossae and Tartarus Montes

THEMIS Image of the Day, July 25, 2019. Today’s VIS image shows part of Cerberus Fossae. These large graben cut across the Tartarus Montes in Elysium Planitia. A graben forms when large blocks of material slide downward between paired faults … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: Bahram Vallis channel

THEMIS Image of the Day, July 24, 2019. Bahram Vallis crosses this VIS image. Bharam Vallis drains from the higher elevations of Lunae Planum into the Chryse Planitia basin. At the base of several of the scalloped channel wall sections, … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: North polar layers and sand dunes

THEMIS Image of the Day, July 23, 2019. Today’s VIS image shows part of the north polar cap, as well as sand dunes located on the floor of a polar trough. The north polar cap is surrounded by numerous dune … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: Layers in the north polar ice cap

THEMIS Image of the Day, July 22, 2019. Millions of years of alternating seasons have created the north polar cap. Ice is laid down during the winter and dust coats the ice in summer. The ice/dust cycle creates layers as … Continue reading

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Patterns on patterns in the Olympia Undae dunes

THEMIS Image of the Day, July 19, 2019. Today’s VIS image shows a small portion of Olympia Undae. Olympia Undae is a large dune field that dominates the plains along part of the north polar cap. This image was collected … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off