Tag Archives: atmosphere

MARCI weather report, Oct 29-Nov 4, 2018

Dust activity across much of Mars was relatively uneventful towards the end of the week. Looking to the southern high-latitudes, some dust hazes were observed near the edge of the defrosting seasonal south polar ice cap. Arsia Mons, the southernmost … Continue reading

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MARCI weather report, October 15-21, 2018

At the beginning of the week, hazes and clouds of dust continued along the defrosting seasonal south polar ice cap edge. Looking to the low-latitudes, orographic water ice clouds were spotted above Arsia Mons, the southernmost shield volcano of the … Continue reading

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MARCI weather report, October 8-14, 2018

Dust clouds and hazes continued along the seasonal south polar ice cap edge of Mars this past week. Dust storms were observed from Aonia Terra to northern Noachis Terra to northern Amazonis. The Amazonis storm was advected southwest over the … Continue reading

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MARCI weather report, October 1-7, 2018

Weather patterns on Mars were fairly typical last week. Large dust lifting activity associated with the defrosting south polar seasonal ice cap continued over southern Sirenum and Aonia. The western hemisphere of these polar latitudes also had some small dust … Continue reading

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MARCI weather report: September 17-23, 2018

During the past week, dusty conditions continued along the retreating seasonal south polar ice cap edge. Sites of activity included Aonia, southern Sirenum, and southwest of Hellas — near the ‘Mountains of Mitchel.’ Looking further northward, dust lifting was relatively … Continue reading

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MAVEN: Four (Earth) years in Mars orbit

[Ed. note: The video shows a presentation on September 20, 2018, by MAVEN principal investigator Bruce Jakosky providing an update on the latest data from the mission. The story excerpted below is on the MAVEN mission website.] Today [September 21], … Continue reading

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HiRISE: Martian haze

A massive, planet-encircling dust storm occurred on Mars during the summer of 2018, resulting in many images where the surface could not be seen due to the dust. This is a problem for HiRISE but also gives us an exciting … Continue reading

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MARCI weather report, September 10-16, 2018

Multiple local-scale dust storms picked up along the seasonal south polar ice cap of Mars this past week. This activity that extended over Aonia, Cimmeria, and near the Mountains of Mitchel generated a diffuse dust cloud along the cap edge. … Continue reading

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MAVEN: Seeing Mars as an exoplanet

Results from MAVEN have provided a detailed understanding of the evolution of the Martian atmosphere and the history of its climate. In a Planetary Report article, published by The Planetary Society, MAVEN Principal Investigator Bruce Jakosky and Deputy PI Dave … Continue reading

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THEMIS: Ice-rich clouds over Arsia Mons’ caldera

THEMIS Image of the Day, September 19, 2018. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading

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