Tag Archives: dark slope streaks

HiRISE: A nice gathering of slope streaks

A nice gathering of slope streaks. Beautiful Mars series.

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HiRISE: Splitting slope streaks

Streaks form on slopes when dust cascades downhill. The dark streak is an area of less dust compared to the brighter and reddish surroundings. What triggers these avalanches is not known, but might be related to sudden warming of the … Continue reading

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HiRISE: Dark slope streaks in Olympus Mons aureole deposits

Wisps on another world. Beautiful Mars series.

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HiRISE: Dark slope streaks in Labeatis Fossae

Never the twain shall meet. Beautiful Mars series.

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THEMIS: Dust avalanches in Terra Sabaea

THEMIS Image of the Day, July 21, 2017. This VIS image shows several dark slope streaks on the inner rim of an unnamed crater in Terra Sabaea. These features are thought to be formed by dust avalanches — downslope movement … Continue reading

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HiRISE: The specters of Mars

The jagged saw-tooth dichotomy, over a grainy texture, seen in this close-up image, reminds us of a scene from an old silent horror movie. Stark and unnerving, like that time between dusk and darkness, as the campfire burns out…was that … Continue reading

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HiRISE: Swept away

Swept away. Beautiful Mars series.

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HiRISE: Dark slope streaks, of many ages

Everything is a canvas. Beautiful Mars series.

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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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