Tag Archives: dark slope streaks

THEMIS: Dark slope streaks in Terra Sabaea

Posted on August 7, 2018 by rburnham

THEMIS Image of the Day, August 7, 2018. This VIS image is located in an unnamed crater in Terra Sabaea. The entire inner rim of the crater near the center of the image contains dark slope streaks. These features are … Continue reading →

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HiRISE: Dark side of dust avalanches

Posted on July 26, 2018 by rburnham

The dark side of dust avalanches. Changes on the Martian surface are detected by imaging the same area more than once. Here, we see several new dust avalanches on the slopes of ridges within the Olympus Mons Aureole. These changes … Continue reading →

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THEMIS: The many textures of Gordii Dorsum

Posted on July 24, 2018 by rburnham

THEMIS Image of the Day, July 24, 2018. This VIS image is located at the northern end of Gordii Dorsum, where the surface slopes down into southern Amazonis Planitia. Within this image are several different surfaces and textures. At the … Continue reading →

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THEMIS: Dark streaks on slopes — wet or dry?

Posted on June 22, 2018 by rburnham

THEMIS Image of the Day, June 22, 2018. Located on the rim of Chia Crater, this smaller crater contains a multitude of dark slope streaks. These features are assumed to represent down slope movements of material, either a process that … Continue reading →

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THEMIS: Dust avalanches in Lycus Sulci

Posted on June 14, 2018 by rburnham

THEMIS Image of the Day, June 14, 2018. Lycus Sulci is a very complex region surrounding the northern and western flanks of Olympus Mons. This VIS image shows some of the tectonic ridges found in Lycus Sulci as well as … Continue reading →

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HiRISE: Bang and whoosh!

Posted on June 12, 2018 by rburnham

This HiRISE image captures a new, dated (within about a decade) impact crater that triggered a slope streak. When the meteoroid hit the surface and exploded to make the crater, it also destabilized the slope and initiated this avalanche. The … Continue reading →

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THEMIS: Dark slope streaks in rugged terrain

Posted on May 31, 2018 by rburnham

THEMIS Image of the Day, May 31, 2018. This VIS image shows part of the ‘rim’ of Orcus Patera. How Orcus Patera formed is a mystery. Along the east facing ridge walls in this image multiple regions of dark slope … Continue reading →

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THEMIS: Wind, dust, and gravity in Medusae Fossae

Posted on April 10, 2018 by rburnham

THEMIS Image of the Day, April 10, 2018. This VIS image is located in Medusae Fossae. Along the cliffside several dark streaks are visible. It is thought that these streaks mark the location where downslope movement of material has removed … Continue reading →

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THEMIS: Spiny ridges of Lycus Sulci

Posted on March 29, 2018 by rburnham

THEMIS Image of the Day, March 29, 2018. Lycus Sulci is a very complex region surrounding the northern and western flanks of Olympus Mons. This VIS image shows several features found in Lycus Sulci including tectonic derived ridges with dark … Continue reading →

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HiRISE: Supremely sublime sliding sand sheets

Posted on February 26, 2018 by rburnham

Supremely sublime sliding sand sheets. East Melas Chasma. Beautiful Mars series.

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