Tag Archives: atmosphere

MARCI weather report, February 13-19, 2017

Mars continued to display local-scale storm activity for the past week. Repeated dust storms were observed over Amazonis and near the Phlegra Montes. The northern part of the Acidalia storm-track also experienced short-lived dust storms near Tempe and Chryse. Further … Continue reading

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MARCI weather report, February 6-12, 2017

Local-scale dust storm activity soldiered on over the northern lowlands and along the Acidalia storm-track this past week on Mars. At the beginning of the week, a dust storm over Xanthe Terra pushed southward over eastern Valles Marineris where it … Continue reading

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MARCI weather report, Jan 30-Feb 5, 2017

Continued local-scale dust storm activity across many regions of the northern hemisphere of Mars this past week. The Acidalia storm-track was active with short-lived dust storms on most afternoons. Looking towards the other northern lowlands, Amazonis, Utopia, and eastern Elysium … Continue reading

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Curiosity findings from Yellowknife Bay sharpen CO2 paradox of ancient Mars climate

Mars scientists are wrestling with a problem. Ample evidence says ancient Mars was sometimes wet, with water flowing and pooling on the planet’s surface. Yet, the ancient sun was about one-third less warm and climate modelers struggle to produce scenarios … Continue reading

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HiRISE: Phantom lands of Mars

Phantom lands of Mars. Beautiful Mars series.

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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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