Tag Archives: complex craters

HiRISE: Cross-section of a complex crater

Posted on January 25, 2019 by rburnham

This image shows a cross-section of a complex crater in Terra Cimmeria. Starting in the center, we see a series of peaks with exposed bedrock. These peaks formed during the impact event when material that was originally several kilometers below … Continue reading →

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HiRISE: Tell-tale bedrock in Tyrrhena Terra

Posted on October 9, 2018 by rburnham

Large craters, like this 50-kilometer diameter one, can uplift material from below and form a mountain-like central peak. Craters of this size on Mars become unstable as they form and collapse due to gravity. Craters with central peaks and terraced … Continue reading →

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THEMIS: Bamberg Crater’s complex and gullied rim

Posted on April 26, 2018 by rburnham

THEMIS Image of the Day, April 26, 2018. Today’s VIS image shows the western rim of Bamberg Crater. The complex nature of the rim is one indication of the relative youth of this crater in relation to it’s surrounding. Many … Continue reading →

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THEMIS: Paired craters in big Noachis Terra crater – binary asteroid hit?

Posted on September 2, 2016 by rburnham

THEMIS Image of the Day, September 2, 2016. Today’s false color image shows an unnamed crater in Noachis Terra. The paired small craters near the center may be where a binary asteroid struck. The THEMIS camera contains 5 filters. The data … Continue reading →

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THEMIS: Crater

Posted on March 1, 2016 by rburnham

THEMIS Image of the Day, March 1, 2016. This unnamed crater in Amazonis Planitia has a complex rim. In the bottom of the image there are several parallel rims, while the rim at the top of the image is lobate … Continue reading →

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THEMIS: Concentric rims

Posted on January 19, 2016 by rburnham

THEMIS Image of the Day, January 19, 2016. This VIS image shows an unnamed crater near Acheron Fossae. The structure of this crater includes a central pit and several concentric rims. Radial grooves can be seen on the ejecta blanket … Continue reading →

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HiRISE: Youthful crater in Cydonia Colles region

Posted on December 3, 2015 by rburnham

The central portion of this image is dominated by a sharp-rimmed crater that is roughly 5 kilometers in diameter. On its slopes, gullies show young (i.e., geologically recent) headward erosion, which is the lengthening of the gully in the upslope … Continue reading →

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THEMIS: Crater inside Newton Crater

Posted on February 13, 2015 by rburnham

THEMIS Image of the Day, February 13, 2015. This VIS image shows an example of a central peak crater. This unnamed crater is located on the floor of Newton Crater in Terra Sirenum. More THEMIS Images of the Day by … Continue reading →

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HiRISE: Gully monitoring

Posted on November 4, 2014 by rburnham

Gully monitoring. Beautiful Mars series.

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HiRISE: Nilosyrtis region crater floor

Posted on August 5, 2014 by rburnham

Nilosyrtis region crater floor. Beautiful Mars series.

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