Tag Archives: Thermal Emission Imaging System

THEMIS: Polar winds streaming off the ice cap

Posted on April 5, 2018 by rburnham

THEMIS Image of the Day, April 5, 2018. This VIS image shows ‘streamers’ of clouds created by katabatic winds at the north polar cap. Katabatic winds are created by cold air sinking at the pole and then speeding along the … Continue reading →

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THEMIS: A peppering of small craters

Posted on April 4, 2018 by rburnham

THEMIS Image of the Day, April 4, 2018. This field of small dark craters is located in southern Elysium Planitia. The dark appearance against the surrounding lava flows suggests that the craters post-date the lava flows. The small “tails” near … Continue reading →

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THEMIS: Cracked lava plates in Avernus Colles

Posted on April 3, 2018 by rburnham

THEMIS Image of the Day, April 3, 2018. The arcuate fractures and broken up surface shown in this image is called Avernus Colles. This unique surface has developed on the southeast margin of Elysium Plainitia. More THEMIS Images of the … Continue reading →

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THEMIS: Channels in Granicus Valles

Posted on April 2, 2018 by rburnham

THEMIS Image of the Day, April 2, 2018. This VIS image shows a section of Granicus Valles, one of several channel systems that originate near the western margin of the Elysium Mons volcanic complex. More THEMIS Images of the Day … Continue reading →

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THEMIS: Winding channel of Nanedi Valles

Posted on March 30, 2018 by rburnham

THEMIS Image of the Day, March 30, 2018. This VIS image shows a section of Nanedi Valles, located in Xanthe Terra. More THEMIS Images of the Day by geological topic.

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THEMIS: Spiny ridges of Lycus Sulci

Posted on March 29, 2018 by rburnham

THEMIS Image of the Day, March 29, 2018. Lycus Sulci is a very complex region surrounding the northern and western flanks of Olympus Mons. This VIS image shows several features found in Lycus Sulci including tectonic derived ridges with dark … Continue reading →

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THEMIS: Granicus Valles, channel in Elysium

Posted on March 28, 2018 by rburnham

THEMIS Image of the Day, March 28, 2018. This VIS image shows a section of Granicus Valles. Granicus Valles is one of several channel systems the originate near Elysium Mons. More THEMIS Images of the Day by geological topic.

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THEMIS: Ice-choked Mamers Valles

Posted on March 27, 2018 by rburnham

THEMIS Image of the Day, March 27, 2018. Today’s VIS image shows a section of Mamers Valles, located in Arabia Terra. The smooth material with flowlines that fills the valley channel is likely glacier ice, similar to valley glaciers in … Continue reading →

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THEMIS: Yuty Crater ejecta

Posted on March 26, 2018 by rburnham

THEMIS Image of the Day, March 26, 2018. Off the image to the right is Yuty Crater, located between Simud and Tiu Valles. The crater ejcta forms the large lobes along the right side of this VIS image. This type … Continue reading →

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THEMIS: Arabia Terra dune field in false color

Posted on March 23, 2018 by rburnham

THEMIS Image of the Day, March 23, 2018. This is a false color image of the dune field in the Arabia Terra crater. In this combination of bands, sand appears as a blue to dark blue color. In this image, … Continue reading →

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