Tag Archives: HRSC

Mars mineral bonanza?

If you could go to only one location on Mars, where would you find the most complete assortment of known Martian minerals? A new report, with lead author Patrick Thollot (Laboratoire de Planétologie et Géodynamique, CNRS), in the Journal of … Continue reading

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Ancient volcanos suggest long activity

Mars is a volcanic planet and has been volcanically active from the start. The most extensive volcanism occurred during the earliest part of its geologic history, the Noachian era, the time before roughly 3.7 billion years ago. However, as a … Continue reading

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Water-carved channels on crater debris

Medium-size craters less than 3 billion years old often show water-carved channels in their debris aprons, according to a new study of mid-latitude craters in Arabia Terra. Previous studies had reported that such features on ejecta aprons were rare. Nicolas … Continue reading

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Devilry in the air

With all the spacecraft orbiting Mars, it’s slightly surprising that there aren’t more observations of dust devils shared by two or more instruments. Writing in the September 2011 issue of Icarus, a team of scientists led by Dennis Reiss (Westfälische … Continue reading

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Hadriaca Patera’s heavy footprint

On the northeast edge of the giant Hellas impact basin, the thick stack of lava in the volcano Hadriaca Patera weighed so much it depressed the Martian surface immediately around it. This bent and cracked the crust on the volcano’s … Continue reading

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