Tag Archives: Arizona State University

THEMIS: Pages from the south polar climate history book

THEMIS Image of the Day, February 22, 2017. Today’s VIS image shows part of the south polar cap. It is now summer in the region and the surface frosts are gone. The layers of ice comprising the cap are now … Continue reading

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THEMIS: Looking into sunrise shadows

THEMIS Image of the Day, February 21, 2017. Over the course of the Odyssey mission, the spacecraft has flown covering the surface at many different times of local day. Right now Odyssey is looking down along the day/night terminator, seeing … Continue reading

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THEMIS: Dust devil tracks in Aonia Terra

THEMIS Image of the Day, February 20, 2017. Today’s VIS image shows dust devil tracks on the plains of Aonia Terra. As the dust devil moves across the surface it scours the fine dust particles, revealing the darker rock surface … Continue reading

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THEMIS: Cimmeria’s Knobel Crater in false color

THEMIS Image of the Day, February 17, 2017. Today’s false color image shows part of the southwestern rim of Knobel Crater. Knobel Crater is located in Terra Cimmeria. The THEMIS VIS camera contains 5 filters. The data from different filters … Continue reading

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THEMIS: Coprates Chasma in false color

THEMIS Image of the Day, February 16, 2017. Today’s false color image shows part of Coprates Chasma. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color … Continue reading

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THEMIS: Sands of Gale Crater

THEMIS Image of the Day, February 15, 2017. Today’s false color image shows part of Gale Crater. Basaltic sands are dark blue in this type of false color combination. The Curiosity Rover is located in another portion of Gale Crater, … Continue reading

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THEMIS: Ophir Chasma floor — false color

THEMIS Image of the Day, February 14, 2017. Today’s false color image shows part of Ophir Chasma. The reddish toned feature on the left side of the image is a high standing ridge called Baetis Mensa. The THEMIS VIS camera … Continue reading

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THEMIS: Hellas Planitia in false color

THEMIS Image of the Day, February 13, 2017. Today’s false color image shows plains in the northern part of Hellas Planitia. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to … Continue reading

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THEMIS: Faulting in Margaritifer Terra

THEMIS image of the Day, February 10, 2017. Today’s false color image shows some of the plains of Margaritifer Terra, which have been cracked by faulting. The faults may have released groundwater that enlarged the channels. The THEMIS VIS camera … Continue reading

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THEMIS: Coprates Chasma, in false colors

THEMIS Image of the Day, February 9, 2017. Today’s false color image shows part of Coprates Chasma, one of the sub-canyons making up the equatorial rift system named Valles Marineris. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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