Tag Archives: craters

HiRISE: Gulf of Mars

Beautiful Mars series: The Gulf of Mars. More Beautiful Mars images.

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HiRISE: Crater straddling two terrain units

An approximately 1-kilometer impact crater located in northern Sinus Meridiani has formed along the boundary of two different terrain units. The western part of the crater has formed along a unit consisting of wind-blown basaltic materials that overlie light-toned units … Continue reading

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THEMIS: Crater ejecta

THEMIS Image of the Day, March 5, 2014. Multiple overlapping lobes of ejecta are visible in the VIS image of an unnamed crater in Chryse Planitia. More THEMIS Images of the Day by geological topic.

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When did water flow in Gale Crater?

The Mars Science Laboratory rover Curiosity, sent to find habitable environments, landed in Gale Crater on the far end of an alluvial fan. This fan spreads south across Gale’s floor from the north rim. It is built from sediments washed … Continue reading

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THEMIS: Crater rim channels

THEMIS Image of the Day, March 3, 2014. Numerous channels dissect the rim of this large crater located on Acheron Fossae. More THEMIS Images of the Day by geological topic.

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HiRISE image: Equatorial gullies

Gully-like landforms, or ravines, are most common in the middle latitudes of Mars, but also occur in polar and equatorial latitudes. We see here an impact crater about 900 meters wide, with distinct gullies on all inner slopes except in … Continue reading

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HiRISE image: Craters in an icy surface

Small impact craters usually have simple bowl shapes, but sometimes more complicated shapes can occur if the target is unusual. The crater in the center of this HiRISE image is unusual because there is a wide, flat bench, or terrace, … Continue reading

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HiRISE image: Cupholder crater

Beautiful Mars series: Cupholder crater. More Beautiful Mars images.

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THEMIS image: Tempe Terra

THEMIS Image of the Day, February 24, 2014. The craters, gullies, channels, and fractures in this VIS image are located on the eastern margin of Tempe Terra. More THEMIS Images of the Day by geological topic.

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HiRISE image: Streaking crater

Beautiful Mars series: Streaking crater. More Beautiful Mars images.

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