Tag Archives: Thermal Emission Imaging System

THEMIS: Daedalia Planum crater

Posted on July 30, 2018 by rburnham

THEMIS Image of the Day, July 30, 2018. This VIS image shows part of an unnamed crater on the northwest margin of Daedaia Planum. Lava flows are visible around the crater rim. The interior of the crater has been filled … Continue reading →

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THEMIS: Wind-etched ridges on Zephyria Planum

Posted on July 27, 2018 by rburnham

THEMIS Image of the Day, July 27, 2018. This VIS image is located near Zephyria Planum. Winds of two different directions have excavated a poorly cemented surface into linear ridge features called yardangs. Examining the structure of the ridges, it … Continue reading →

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THEMIS: Lava flow dodges impact crater’s ejecta

Posted on July 26, 2018 by rburnham

THEMIS Image of the Day, July 26, 2018. This VIS image shows a small portion of the vast lava flow field of Daedalia Planum. The flows originate at Arsia Mons, the youngest of the three Tharsis volcanoes. See more THEMIS … Continue reading →

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THEMIS: Ares Valles’ long winding channel

Posted on July 25, 2018 by rburnham

THEMIS Image of the Day, July 25, 2018. Today’s VIS image shows part of Ares Vallis, one of the large channels in Margaritfer Terra that empty into Chryse Planitia. See more THEMIS Images of the Day by geological subject.

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THEMIS: The many textures of Gordii Dorsum

Posted on July 24, 2018 by rburnham

THEMIS Image of the Day, July 24, 2018. This VIS image is located at the northern end of Gordii Dorsum, where the surface slopes down into southern Amazonis Planitia. Within this image are several different surfaces and textures. At the … Continue reading →

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THEMIS: Not quite round

Posted on July 23, 2018 by rburnham

THEMIS Image of the Day, July 23, 2018. This VIS image shows an unnamed crater in Noachis Terra. The crater is relatively young, with several different structures on the floor and rim still visible. The inner rim of the crater … Continue reading →

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THEMIS: Indus Vallis winds through layered terrain

Posted on July 20, 2018 by rburnham

THEMIS Image of the Day, July 20, 2018. This VIS image shows a section of Indus Vallis. Indus Vallis is located in Terra Sabaea. More THEMIS Images of the Day by geological topic.

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THEMIS: Doublet crater in Utopia Planitia

Posted on July 19, 2018 by rburnham

THEMIS Image of the Day, July 19, 2018. Today’s VIS image shows a double impact – two meteors hitting simultaneously. The two meteors would have started as a single object, at some point prior to impact the object separated into … Continue reading →

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THEMIS: Hephaestus Fossae channel and crater

Posted on July 18, 2018 by rburnham

THEMIS Image of the Day, July 18, 2018. Today’s VIS image shows a crater on Hephaestus Fossae. The crater is fairly young, as there is only minimal modification of the crater floor. While it appears that the crater sits of … Continue reading →

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THEMIS: Wind-eroded ridges

Posted on July 17, 2018 by rburnham

THEMIS Image of the Day, July 17, 2018. Winds in this region have modified the surface, carving valleys into a poorly cemented material. The winds in this region blew toward the northeast. (Note: north is to the top of the … Continue reading →

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