Tag Archives: Mars Odyssey

THEMIS: Crater floor infill and valley

THEMIS Image of the Day, November 2, 2018. This VIS image shows a large linear depression in the center of an unnamed crater in Noachis Terra. This crater and the nearby Maunder and Asimov craters share this odd morphology. The … Continue reading

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THEMIS: Rough ejecta blanket around Hesperia Planum crater

THEMIS Image of the Day, November 1, 2018. This VIS image shows part of the northern rim of an unnamed crater in Hesperia Planum. See more THEMIS Images of the Day by geological subject.

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THEMIS: Swiss cheese and other ice cap textures

THEMIS Image of the Day, October 31, 2018. There are several different surface textures in the South Polar ice. The surface in this image with the round/semi round depressions is informally called Swiss cheese. See more THEMIS Images of the … Continue reading

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THEMIS: Tectonic ‘grid’ in Noctis Labyrinthis, plus a landslide triggered by impact

THEMIS Image of the Day, October 30, 2018. This VIS image is located in Noctis Labyrinthus. There are two directions of faults visible, which intersect at an approximately 90 degree angle. The faults running from bottom right to upper left … Continue reading

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THEMIS: Landslide in Melas Chasma

THEMIS Image of the Day, October 29, 2018. Today’s VIS image shows part of the northern cliff face of Melas Chasma and the large landslide deposits at the base of the cliff face. The landslide deposits are called Ophir Labes. … Continue reading

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THEMIS: Graben in Tempe Fossae in false color

THEMIS Image of the Day, October 26, 2018. This false-color VIS image shows part of Tempe Fossae. Tempe Fossae is a series of tectonic graben that cross Tempe Terra. The downward movement of blocks of material between bounding faults create … Continue reading

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THEMIS: False color on Chryse Planitia

THEMIS image of the Day, October 25, 2018. This false-color VIS image shows some of the plains of Chryse Planitia. The numerous low bumps seen in the image may be related to the giant floods that poured across Chryse, which … Continue reading

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THEMIS: False-color slice across Terra Cimmeria crater

THEMIS Image of the Day, October 24, 2018. This false-color VIS image shows part of a large unnamed crater in Terra Cimmeria. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways … Continue reading

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THEMIS: Isolated hills on Arcadia Planitia

THEMIS Image of the Day, October 23, 2018. This false-color VIS image shows some of the plains of Arcadia Planitia in the northern lowlands. Isolated small hills are a common feature in this part of the planitia. Hills like these … Continue reading

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THEMIS: Kasei Valles in false color

THEMIS Image of the Day, October 22, 2018. This false-color VIS image shows a section of Kasei Valles. Kasei Valles is a huge outflow channel that drains from the higher elevations of Tharsis down into the lowlands of Chryse Planitia. … Continue reading

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