Tag Archives: calderas

THEMIS: Arsia Mons summit caldera

Posted on July 11, 2016 by rburnham

THEMIS Image of the Day, July 11, 2016. Today’s VIS image shows part of the summit caldera of Arsia Mons. More THEMIS Images of the Day by geological topic.

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HiRISE: Cratered summit of a knob

Posted on January 16, 2015 by rburnham

There are many knob formations in the southeastern Acidalia region of Mars. All show a hilltop crest except one which has a summit crater that resembles a cone volcano. Knobs like these likely formed from interactions between water ice and … Continue reading →

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THEMIS: Olympus Mons false color

Posted on January 5, 2015 by rburnham

THEMIS Image of the Day, January 5, 2015. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading →

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THEMIS: Arsia Mons false color

Posted on December 3, 2014 by rburnham

THEMIS Image of the Day, December 3, 2014. This false color image shows part of the summit caldera of Arsia Mons. The mottled bluish tones are from clouds. More THEMIS Images of the Day by geological topic.

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THEMIS: Pavonis Mons

Posted on September 2, 2014 by rburnham

THEMIS Image of the Day, September 2, 2014. This VIS image shows the summit caldera of Pavonis Mons. More THEMIS Images of the Day by geological topic.

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THEMIS image: Olympus Mons summit caldera

Posted on February 19, 2014 by rburnham

THEMIS Image of the Day, February 19, 2014. This VIS image shows the central portion of the complex caldera at the summit of Olympus Mons. More THEMIS Images of the Day by geological topic.

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THEMIS image: Olympus Mons summit

Posted on February 18, 2014 by rburnham

THEMIS Image of the Day, February 18, 2014. Today’s VIS image shows the eastern portion of the complex caldera at the summit of Olympus Mons. More THEMIS Images of the Day by geological topic.

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THEMIS image: Ascaeus Mons summit

Posted on February 17, 2014 by rburnham

THEMIS Image of the Day, February 17, 2014. This VIS image shows the eastern part of the complex caldera at the summit of Ascraeus Mons. More THEMIS Images of the Day by geological topic.

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