Tag Archives: atmosphere

MARCI weather report, June 10-16, 2019

The regional dust storm noted in the previous week’s report had abated by the beginning of this past week, with only a remnant dust haze visible around Olympus Mons for a couple additional sols. Conditions along the edge of the … Continue reading

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Meteors help make Mars clouds

How did the Red Planet get all of its clouds? CU Boulder researchers may have discovered the secret: just add meteors. Astronomers have long observed clouds in Mars’ middle atmosphere, which begins about 18 miles (30 kilometers) above the surface, … Continue reading

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Mars’ water-ice clouds thicken toward evening

[Editor’s note: From a paper by Michael Smith recently published in Icarus.] Local time variation of water ice clouds on Mars as observed by THEMIS • The local time variation of cloud optical depth is examined from THEMIS observations. • … Continue reading

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New model for martian crustal magnetism

[Editor’s note: From a paper by Benoit Langlais and four co-authors recently published in the Journal of Geophysical Research.] A New Model of the Crustal Magnetic Field of Mars Using MGS and MAVEN • MGS and MAVEN magnetic field measurements … Continue reading

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MARCI weather report, June 3-9, 2019

Last week on Mars, dust storm activity continued along the edge of the receding seasonal north polar ice cap. Near the beginning of the week, a regional-scale dust storm occurred over the eastern Arcadia region and spread both southward to … Continue reading

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MARCI weather report, May 27-June 2, 2019

There was a slight uptick in dust activity this past week on Mars. The week began with a couple of arcuate-shaped dust storms extending over the retreating seasonal north polar ice cap in Acidalia and Arcadia. Looking to the southern … Continue reading

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Curiosity update: A many-layered plan

Sols 2427-28, June 5, 2019, update by MSL scientist Claire Newman: The main focus of today’s plan was observations of the interbedded thick and thin layers we found at Woodland Bay before we drive away again, perhaps as early as … Continue reading

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How the James Webb Space Telescope will study Mars

In the summer of 2018, a dust storm blanketed the entire planet Mars. From the surface, the Sun would have looked like tiny orb in a murky brown sky. Dust carpeted the solar panels of NASA’s intrepid Opportunity rover, which … Continue reading

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Curiosity catches clouds, and a cache of clay

NASA’s Curiosity rover has confirmed that the region on Mars it’s exploring, called the “clay-bearing unit,” is well deserving of its name. Two samples the rover recently drilled at rock targets called “Aberlady” and “Kilmarie” have revealed the highest amounts … Continue reading

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MARCI weather report, May 20-26, 2019

Last week on Mars, water ice clouds and small dust-lifting events continued to be observed along the retreating seasonal north polar ice cap edge. Near the end of the week, larger pulses of dust activity were spotted over the plains … Continue reading

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