Tag Archives: atmosphere

MARCI weather report, August 24-30, 2015

Sporadic storm activity continued in the southern mid-to-high latitudes of Mars last week. In the low latitudes, condensate water-ice clouds were prevalent over eastern Meridiani, Elysium, and the Tharsis bulge. To the north, fleeting dust storms and water-ice clouds continued … Continue reading

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MAVEN: Mapping atmosphere by watching stars set

High above the thin Martian skies, NASA’s MAVEN spacecraft is carrying out a mission: determine how Mars lost its early atmosphere, and with it, its water. While previous Mars orbiters have peered down at the planet’s surface, MAVEN is spending … Continue reading

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Tallying up where the Martian carbon went

Scientists may be closer to solving the mystery of how Mars changed from a world with surface water billions of years ago to the arid Red Planet of today. A new analysis of the largest known deposit of carbonate minerals … Continue reading

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MARCI weather report, August 17-23, 2015

Several arcuate shaped storms were observed along the receding seasonal north polar cap edge this past week on Mars. One dust cloud generated by a storm was transported northward across the perennial north polar cap. At southern mid-latitudes, sporadic dust-lifting … Continue reading

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MARCI weather report, August 10-16, 2015

Last week on Mars, afternoon condensate water-ice clouds became more abundant over the regions between Meridiani and Olympus Mons. An arcuate dust storm was observed along the edge of the seasonal north polar ice cap. On the other side of … Continue reading

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MAVEN increases its orbital period

The MAVEN navigation team successfully performed a period correction maneuver on Wednesday, August 12, which increased the orbital period of the spacecraft to 4 hours & 38 minutes. This maneuver was performed in order to keep the spacecraft within the … Continue reading

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MARCI weather report, August 3-9, 2015

For the past week on Mars, water-ice clouds and dust storms continued to propagate eastward along the seasonal north polar ice cap edge. The receding ice cap edge has now defrosted away to around 63°N latitude. In the equatorial latitudes, … Continue reading

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MARCI weather report, July 27-August 2, 2015

The red planet displayed dust storms and diffuse water-ice clouds over the southern highlands for the past week. Further towards the pole, the south polar hood was developing as the seasons progressed. Looking more northward to the low latitudes, water-ice … Continue reading

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MARCI weather report, July 20-26, 2015

Last week, as the southern autumn/ northern spring seasons progressed on Mars, dust storms were kicked-up at mid-to-high southern latitudes. During this time, the northern plains experienced eastward propagating water-ice clouds and dust storms as the seasonal ice cap continued … Continue reading

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MARCI weather report, July 13–19, 2015

For the past week on Mars, continued dust lifting events occurred in the southern highland regions. Meanwhile, on the other side of the red planet, a couple dust storms were spotted along the edge of the northern springtime ice cap. … Continue reading

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