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Monthly Archives: October 2013
Hematite ridge: site for Curiosity rover to explore ancient habitability?
A low ridge running along the foot of Mt. Sharp will likely become a prime target for Curiosity, the Mars Science Laboratory rover as it approaches the mound. The reason, outlined in a recent paper in Geology by Abigail Fraeman … Continue reading
Posted in Reports
Tagged CRISM, Curiosity, Gale Crater, habitability, hematite, Mars Reconnaissance Orbiter, Mars Science Laboratory, water
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Spiral troughs in Mars polar caps are born in ‘cyclic steps’
Both Martian polar caps have deep spiral troughs that slice into them for dozens or hundreds of kilometers, but their origin and development has been much debated by scientists. New work by a team of researchers led by Isaac Smith … Continue reading
Posted in Reports
Tagged atmosphere, cyclic steps, ice, katabatic jump, katabatic winds, Mars Reconnaissance Orbiter, north polar ice cap, polar caps, polar regions, polar troughs, Shallow Radar, SHARAD, south polar ice cap, sublimation, water, water vapor
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Mars dust devils travel much faster than surface winds blow
Extending earlier work, a team of Mars scientists led by Dennis Reiss (Westfälische Wilhelms-Universität, Germany) has made simultaneous (or near-) observations of dust devil speeds using cameras on NASA’s Mars Reconnaissance Orbiter. The cameras include CRISM, CTX, and HiRISE. The … Continue reading
Posted in Reports
Tagged atmosphere, CRISM, CTX, Curiosity, dust devils, Gale Crater, HiRISE, Mars Reconnaissance Orbiter, Mars Science Laboratory, MSL
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Supervolcanos in Arabia on Mars: Update
The idea of giant volcanos erupting in Arabia was proposed by Joseph Michalski (Planetary Science Institute) in a talk at the Lunar and Planetary Science Conference in March 2013. Michalski and coauthor Jacob Bleacher (NASA Goddard Space Flight Center) have … Continue reading
Posted in Reports
Tagged Arabia Terra, Eden Patera, Euphrates Patera, explosive volcanism, Ismenia Patera, Oxus Cavus, Oxus Patera, Semeykin Crater, Siloe Patera, supervolcanos, volcanic activity, volcanic ash, volcanism, volcanos
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