Tag Archives: Thermal Emission Imaging System

THEMIS: Lava flows on plains east of Hecates Tholus

THEMIS image of the Day, October 16, 2018. This VIS image shows the plains to the east of Hecates Tholus. In this false-color view lie several lava flow fronts and scattered impact craters. The THEMIS VIS camera contains 5 filters. … Continue reading

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THEMIS: Granicus Valles in false color

THEMIS Image of the Day, October 15, 2018. This VIS image shows some of the complex channels that make up Granicus Valles. This channel system is located west of Elysium Mons. The THEMIS VIS camera contains 5 filters. The data … Continue reading

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THEMIS: Trouvelot Crater in false color

THEMIS Image of the Day, October 12, 2018. This VIS image shows Trouvelot Crater and a smaller crater on its floor. Dark blue tones in this version of color combination is often dark basaltic sands. The THEMIS VIS camera contains … Continue reading

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THEMIS: High on the east flank of Pavonis Mons

THEMIS Image of the Day, October 11, 2018. This false-color VIS image shows the eastern flank of Pavonis Mons. The darker streaks are created by wind action, and the curving lines are faults produced when the volcano “relaxed” under the … Continue reading

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THEMIS: Subdued northern plains craters

THEMIS Image of the Day, October 10, 2018. This VIS image shows the margin and ejecta surrounding two craters located in the northern plains. The rim and ejecta are very subdued compared to craters elsewhere in the same region. The … Continue reading

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THEMIS: Acidalia’s Bonestell Crater in false colors

THEMIS Image of the Day, October 9, 2018. This VIS image shows Bonestell Crater located in Acidalia Planitia. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false … Continue reading

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THEMIS: Crater mounds in Crommelin and Firsoff craters

THEMIS Image of the Day, October 8, 2018. This VIS image shows parts of Crommelin and Firsoff Craters. Both craters contain large mounds of layered materials on the crater floor. This material was deposited after the craters formed and may … Continue reading

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THEMIS: Over the summit of Pavonis Mons

THEMIS Image of the Day, September 28, 2018. Today’s VIS image crosses the flanks and summit of Pavonis Mons. Calderas are down-dropped areas which collapse when lava inside the volcano withdraws, removing its support for the heavy rock layers above. … Continue reading

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THEMIS: Landslide in Mutch Crater

THEMIS Image of the Day, September 27, 2018. Today’s image shows part of Mutch Crater in Xanthe Terra. At the bottom of the image, visible in warm tones, is a short section of the crater’s southern rim. Note the landslide … Continue reading

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THEMIS: Sands of Tombaugh Crater

THEMIS Image of the Day, September 26, 2018. Tombaugh Crater is in the center of this VIS image. Dark blue tones are basaltic sands of the floor of the crater. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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