Tag Archives: dark slope streaks

HiRISE: Consider the slope streak

Consider the slope streak; and his faded friend. (North is approximately down). Beautiful Mars series.

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HiRISE: Slope streaks or recurring slope lineae?

The image shows a region we see many slope streaks, typically dark features on slopes in the equatorial regions on Mars. They may extend for tens of meters in length and gradually fade away with time as new ones form. … Continue reading

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HiRISE: Dark slope streaks on a mound

O small martian mound! Beautiful Mars series.

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HiRISE: Mesa in Amazonis Planitia

A mesa in Amazonis Planitia. Beautiful Mars series.

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THEMIS: Dark slope streaks in Arabia Terra crater

THEMIS Image of the Day, August 22, 2016. Today’s VIS image shows part of an unnamed crater in Arabia Terra. The inner rim of the crater has numerous dark streaks. It is possible that these features form due to downslope … Continue reading

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THEMIS: Dark slope streaks

THEMIS Image of the Day, July 7, 2016. Today’s VIS image shows the inner rim of an unnamed crater on the western margin of Daedalia Planum. Numerous dark streaks are visible on the faces of the inner rim. A possible … Continue reading

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THEMIS: Dark slope streaks

THEMIS Image of the Day, May 16, 2016. Today’s VIS image shows part of the rim of an unnamed crater in Terra Sabaea. Numerous dark streaks are visible. One theory of how the streaks form suggests that a rock or … Continue reading

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HiRISE: Troughs in Elysium Fossae

The two linear depressions in this image form part of the Elysium Fossae complex, a group of troughs located in the Elysium quadrangle of Mars. These troughs are tectonic features, likely formed by the stretching, tearing and subsequent collapse of … Continue reading

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HiRISE: Dark slope streaks

Those streaks, though. Beautiful Mars series.

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THEMIS: Dark slope streaks

THEMIS Image of the Day, February 8, 2016. Today’s VIS image shows dark slope streaks on several small mesas in Amazonis Planitia. The streaks mark locations where there has been down slope movement of material, which reduce the dust cover … Continue reading

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THEMIS: Dark slope streaks

THEMIS Image of the Day, December 17, 2015. Numerous dark streaks are visible on the inner rim of this unnamed crater. These features may be formed by movement of material downslope, removing dust and revealing an underlying dark surface. More … Continue reading

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THEMIS: Dark slope streaks

THEMIS Image of the Day, October 20, 2015. Dark streaks are visible on the slopes of hills and crater rims in Amazonis Planitia. It is thought that the removal of dust by downslope movement reveals the darker rocks beneath. More … Continue reading

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HiRISE: Slope streak cluster formation

Slope streak cluster formation. These are not RSL, but dark streaks created by dislodged material, such as falling rocks or boulders. Beautiful Mars series.

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HiRISE: Slope streaks on a dusty planet

Mars is a dusty place and in some locations thick blankets of its characteristically red dust can slowly settle out of the atmosphere and accumulate on slopes. This dust is also a lot brighter than the dust-free terrain on Mars; … Continue reading

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HiRISE: Artistic flourishes

Artistic flourishes. Beautiful Mars series.

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