Tag Archives: dust

MARCI weather report, March 31-April 3, 2016

A slight uptick of dust lifting activity occurred on Mars this past week. At the beginning of the week, local-scale transient dust storms were spotted along the polar cap, north of Tempe. This activity appeared to propagate eastward over the … Continue reading

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MARCI weather report, March 21-27, 2017

For the past week on Mars, condensate water-ice clouds associated with the aphelion cloud-belt endured each afternoon. Looking to the southern highlands, a couple small dust storms were spotted over Aonia, including one near the seasonal south polar ice cap … Continue reading

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THEMIS: Polar cap layers

THEMIS Image of the Day, March 24, 2016. This VIS image of the north polar cap shows the layering of ice and dust materials. More THEMIS Images of the Day by geological topic.

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MARCI weather report, March 14-20, 2016

A near lull in dust storm activity occurred across much of Mars this past week. The only storm activity was near the perennial north polar ice cap, where dust hazes were spotted over the dunes of Olympia, and a solitary … Continue reading

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MARCI weather report, March 7-13, 2016

Typical weather patterns for northern summer / southern winter continued this past week on Mars. Dust hazes were observed sweeping over the sand dunes of Olympia. Small local-scale dust storms were intermittent over Solis Planum. Condensate water-ice clouds associated with … Continue reading

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Opportunity: Churned soil, streams of dust

Sol 4315, March 14, 2016. The Pancam (in Holger Isenberg’s false-color version) reveals composition differences among the rocks and soil where the rover’s wheels dug into the ground as they tried to find traction on the steep slope. Click to … Continue reading

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MARCI weather report, Feb 29-March 6, 2016

Last week on Mars, a small transient dust storm was observed northwest of Elysium Mons shield volcano and over the polar dunes of Olympia, while in the southern hemisphere, local-scale dust storms were observed over northern Aonia and Solis Planum. … Continue reading

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HiRISE: The dune sea of Ganges Chasma

This image is at the eastern edge of a very large deposit of wind-blown dust that occupies Ganges Chasma. This thick deposit surrounds hills and mesas that rise up through it. We can tell from the patterns that the wind … Continue reading

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MARCI weather report, February 22-28, 2016

For the past week on Mars, weather conditions were comparable to that of the preceding week. Looking to the north, a couple small dust lifting events were observed near the sands of Olympia. On the other side of the red … Continue reading

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MARCI weather report, February 15-21, 2016

Short-lived local dust storms were observed this past week over Solis and northern Aonia. Each afternoon, scattered wispy water-ice clouds, that make-up the aphelion cloud-belt, dominated the skies over mid-to-low latitudes. North of Tempe, dust haze was spotted near the … Continue reading

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