Tag Archives: Mars Reconnaissance Orbiter

MARCI weather report, May 15-21, 2017

For the past week on Mars, arcuate-shaped dust storms and water-ice clouds continued to propagate eastward along the northern seasonal ice cap edge. A few transient dust storms were spotted over Utopia Planitia associated with polar activity. Looking to the … Continue reading

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HiRISE: Ongoing dune activity in Ganges Chasma

Ongoing dune activity in Ganges Chasma. Beautiful Mars series.

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HiRISE: Dune ripples in Her Desher Vallis

These small ripples, about 10 meters apart, are located in Her Desher Vallis. Her Desher is a small channel that shows evidence of phyllosilicates—silicates with a sheet-like structure, such as clay minerals. Much larger images of this area show that … Continue reading

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HiRISE: Erosion of the edge of the south polar layered deposits

This oblique view of the sloping edge of the stack of icy layers over the South Pole has some interesting morphologies. The slope appears to be eroding from a combination of landslides, block falls, and sublimation. The bright icy exposure … Continue reading

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HiRISE: Sinuous ridge with a meander

Sinuous ridge with a meander east of Meridiani Planum. Beautiful Mars series.

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HiRISE: Ganges Chasma landslide

Ganges Chasma landslide. Beautiful Mars series.

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HiRISE: Hebes Chasma bedrock

Hebes Chasma bedrock. Beautiful Mars series.

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MARCI weather report, May 8-14, 2017

Short-lived local-scale dust storms continued to sweep over the southern high-latitudes of Mars this past week. In the northern plains, a mix of water-ice clouds and transient dust storms continued along the margin of the seasonal north polar ice cap, … Continue reading

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HiRISE: Landslide!

This image finally completes a stereo pair with another observation acquired in 2007. It shows a fresh (well-preserved) landslide scarp and rocky deposit off the edge of a streamlined mesa in Simud Valles, a giant outflow channel carved by ancient … Continue reading

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HiRISE: Channel deposits on Hellas Planitia

Channel deposits on Hellas Planitia. Beautiful Mars series.

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