Tag Archives: Thermal Emission Imaging System

THEMIS: Terra Cimmeria crater gullies

THEMIS Image of the Day, April 24, 2019. This VIS image shows part of the rim of an unnamed crater in Terra Cimmeria. A group of channels dissect the rim near to upper left of the image. These channels are … Continue reading

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THEMIS: Kaiser Crater dunes

THEMIS Image of the Day, April 23, 2019. This VIS image shows large individual dunes on the floor of Kaiser Crater. Small dark lines to the right of the sand dunes are the tracks made by dust devils as they … Continue reading

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THEMIS: Sand sheet, dunes in Matara Crater

THEMIS Image of the Day, April 22, 2019. Today’s VIS image shows the floor of Matara Crater. A large sand sheet with surface dune forms dominates the floor of this crater located in Noachis Terra. The dunes’ dark tone indicates … Continue reading

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THEMIS: Bonestell Crater in false color

THEMIS Image of the Day, April 19, 2019. Today’s false-color image shows part of Bonestell Crater. This is a relatively young crater located in Acidalia Planitia. Dust blown into the crater and the downslope movement of fine materials from the … Continue reading

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THEMIS: North polar ice cap in false color

THEMIS Image of the Day, April 18, 2019. The polar caps of Mars were deposited over millions of years. Seasonal depositions of ice and dust have created layer upon layer of material. In this false color image the white and … Continue reading

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THEMIS: Not white, not rock

THEMIS Image of the Day, April 17, 2019. This VIS image shows part of the floor of Pollack Crater. First imaged by Mariner 9, the high contrast between the crater floor and the bright feature, led to the informal name … Continue reading

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THEMIS: Ice-rich mantling in Utopia crater

THEMIS Image of the Day, April 16, 2019. This false-color VIS image shows a crater located in Utopia Planitia. The crater’s interior shows ample evidence for an ice-rich mantling material that has slipped and slumped away from the crater’s upraised … Continue reading

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THEMIS: Arabia Terra crater dunes

THEMIS Image of the Day, April 15, 2019. Today’s VIS image is located in an unnamed crater in Arabia Terra. Dark blue in this combination is typically basaltic sands. The presence of sand dunes with this tone indicated that these … Continue reading

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THEMIS: Wind streaks on northern plains

THEMIS Image of the Day, April 12, 2019. Today’s false-color VIS image is located in the plains between Chryse and Acidalia Planitias. Dark blue tones in this false color combination are usually created by basaltic sands. There appears to be … Continue reading

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THEMIS: Noachis Terra in false color

THEMIS Image of the Day, April 11, 2019. This false-color image is located in northern Noachis Terra. Evros Vallis is located just below the large crater at the top of the image. The THEMIS VIS camera contains 5 filters. The … Continue reading

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