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Tag Archives: atmosphere
Weathering on early Mars bad for forming carbonates
[Editor’s note: From a paper by Fabien Baron and three co-authors recently published in the Journal of Geophysical Research.] New Constraints on Early Mars Weathering Conditions From an Experimental Approach on Crust Simulants • Chemical weathering in mildly acidic conditions … Continue reading
MARCI weather report, July 1-7, 2019
Dust storm activity picked-up over the northern lowlands of Mars this past week. Near the middle of the week, long arcuate-shaped dust storms propagated eastward across the plains of Acidalia. Subsequent dust events swept northward over the perennial north polar … Continue reading
Posted in Reports
Tagged atmosphere, clouds, dust, dust storms, haze, Malin Space Science Systems, MARCI, Mars Color Imager, Mars Reconnaissance Orbiter, MRO, MSSS, NASA, storms, weather, wind
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MARCI weather report, June 24-30, 2019
There was a slight uptick in frequency of dust-lifting events over the southern hemisphere of Mars this past week. Dust storms north of Argyre were once again advected equatorwards — this time extending past eastern Valles Marineris to Xanthe Terra. … Continue reading
Posted in Reports
Tagged atmosphere, clouds, dust, dust storms, haze, Malin Space Science Systems, MARCI, Mars Color Imager, Mars Reconnaissance Orbiter, MRO, MSSS, NASA, storms, weather, wind
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MAVEN webinar: Getting cozy with Mars
The MAVEN spacecraft has successfully completed an aerobraking campaign, lowering the highest altitude of the satellite’s orbit to better transmit data from present and future Martian rovers and landers, while continuing its observations of the Martian atmosphere. In this MAVEN … Continue reading
Posted in Reports
Tagged aerobraking, atmosphere, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, University of Colorado
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MARCI weather report, June 17-23, 2019
With the exception of a single arcuate-shaped dust storm, similar in morphology to a terrestrial low-pressure systems, which was dipping southward across Acidalia, the northern lowlands were relatively uneventful this past week. In the southern hemisphere, a dust storm north … Continue reading
Posted in Reports
Tagged atmosphere, clouds, dust, dust storms, haze, Malin Space Science Systems, MARCI, Mars Color Imager, Mars Reconnaissance Orbiter, MRO, MSSS, NASA, storms, weather, wind
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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
Posted in Reports
Tagged atmosphere, clouds, dust, dust storms, haze, Malin Space Science Systems, MARCI, Mars Color Imager, Mars Reconnaissance Orbiter, MRO, MSSS, NASA, storms, weather, wind
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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
Posted in Reports
Tagged atmosphere, clouds, mesospheric clouds, meteoritic dust, meteoritic smoke, meteors, water ice clouds
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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
Posted in Reports
Tagged Arizona State University, ASU, atmosphere, clouds, Mars Odyssey, NASA, THEMIS, Thermal Emission Imaging System, water ice, water ice clouds
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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
Posted in Reports
Tagged atmosphere, crustal magnetism, magnetic field, Mars Atmosphere and Volatile EvolutioN, Mars Global Surveyor, MAVEN, MGS, NASA, University of Colorado
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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
Posted in Reports
Tagged atmosphere, clouds, dust, dust storms, haze, Malin Space Science Systems, MARCI, Mars Color Imager, Mars Reconnaissance Orbiter, MRO, MSSS, NASA, storms, weather, wind
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