Tag Archives: atmosphere

MARCI weather report: January 23-29, 2017

For the past week on Mars, local-scale dust storms continued to sweep down the Acidalia storm-track. Some of these small magnitude storms lofted dust towards Valles Marineris and northwestern Noachis. The plains of Amazonis, Utopia, and near the Phlegra Montes … Continue reading

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MAVEN: High-altitude water gives atmospheric escape route for Mars hydrogen

Researchers at the University of Colorado’s Laboratory for Atmospheric and Space Physics have discovered an atmospheric escape route for hydrogen on Mars, a mechanism that may have played a significant role in the planet’s loss of liquid water. The findings … Continue reading

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MARCI weather report, January 16-22, 2017

Martian weather this past week was highlighted by the onset of the Northern hemisphere mid-winter/ Southern hemisphere mid-summer cross-equatorial regional dust storms. This part of the regional storm season on Mars is denoted by local storms that develop in the … Continue reading

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Did bursts of methane warm early Mars?

The presence of water on ancient Mars is a paradox. There’s plenty of geographical evidence that rivers periodically flowed across the planet’s surface. Yet in the time period when these waters are supposed to have run — three to four … Continue reading

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MARCI weather report, January 9-15, 2017

Local-scale dust storm activity was observed over a number of martian regions during this past week. These here today gone tomorrow style dust storms recurred over Amazonis, Chryse, Tempe, and near the Phlegra Montes. The southern highlands were relatively uneventful … Continue reading

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MARCI weather report, January 2-8, 2017

There was a slight increase in local-scale dust storm activity this past week on Mars. Short-lived dust storms were observed over Alba, Tempe, Acidalia, and Chryse Planitia. Dust hazes were spotted over Xanthe Terra on the sol following activity over … Continue reading

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MARCI weather report, Dec 26, 2016-Jan 1, 2017

The red planet continued to display sporadic dust activity this past week. Dust storms associated with the north polar hood were spotted over the northern landforms of Tempe, Deuteronilus, and Alba Patera. Further equatorward, the plains of Chryse and Amazonis … Continue reading

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MARCI weather report, December 19-25, 2016

Dust storm activity continued to be sparse across most of Mars this past week. A small number of dust-lifting events associated with the north polar hood were observed over northern Tempe and north of Alba Patera. Looking to the southern … Continue reading

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MARCI weather report, December 12-18, 2016

Dust-lifting activity was rather uneventful for the past week on Mars. A couple of tiny local-scale dust storms were observed near the remaining portion of the seasonal south polar ice cap edge. Looking to the northern hemisphere, dust and water-ice … Continue reading

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ExoMars 2016: Skimming an alien atmosphere

After the smooth arrival of ESA’s latest Mars orbiter, mission controllers are now preparing it for the ultimate challenge: dipping into the Red Planet’s atmosphere to reach its final orbit. The ExoMars Trace Gas Orbiter is on a multiyear mission … Continue reading

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