Tag Archives: erosion

How hard did it rain on Mars?

Heavy rain on Mars reshaped the planet’s impact craters and carved out river-like channels in its surface billions of years ago, according to a new study published in Icarus. In the paper, researchers from the Smithsonian Institution and the Johns … Continue reading

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THEMIS: Flat-top ridge erodes to spurs & gullies

THEMIS Image of the Day, March 23, 2017. Today’s false color image shows part of Coprates Chasma, where a flat-topped ridge is eroding from both sides into blade-like terrain with spur-and-gully topography. The THEMIS VIS camera contains 5 filters. The … Continue reading

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HiRISE: Scars of erosion

This large crescent dune in Kaiser Crater shows the scars of many types of seasonal erosional activities. Along its downwind slope are large gullies which are active during winter, when frost drives dune material downslope, carving out channels and creating … Continue reading

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HiRISE: Old features and new

This image covers a portion of a typical impact crater in Terra Sirenum at about 40 degrees south latitude on Mars. At the top of the image, outside the crater rim, there is a mid-latitude mantle, rough in places where … Continue reading

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HiRISE: Gullied crater in the Northern Hemisphere

Gullied crater in the Northern Hemisphere — With quite a lovely sedimentary fan. Beautiful Mars series.

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HiRISE: Erosion & deposition in Schaeberle Crater

Schaeberle Crater is a large, heavily-infilled crater with many interesting features. This image shows a window into the crater fill deposit, showcasing eroding bedrock and aeolian landforms. This pit is located near the geometric center of our image, making it … Continue reading

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HiRISE: Colorful layered bedrock

Come out and play! Colorful layered bedrock in an eroded crater in Terra Sirenum. Beautiful Mars series.

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THEMIS: Tyrrhenus Mons – false color

THEMIS Image of the Day, August 12, 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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HiRISE: Big and little gullies cut into crater rim

“Science is exploration. The fundamental nature of exploration is that we don’t know what’s there.”  — Charles H. Townes Beautiful Mars series.

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THEMIS: Huygens Crater — false color

THEMIS Image of the Day, June 17, 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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