Sunday, May 01, 2011

UA reports 100 crater-forming meteorite hits per year on Mars

Catching up on my journals, I see that UA planetary scientist Ingrid Daubar and her colleagues used cameras on the Mars Reconnaissance Orbiter to determine that Mars gets hit with 100 new crater-f0rming meteorites hits per year. [right, "locations of 189 newly discovered recent impact sites on Mars. The majority of sites are in areas of high dust cover." Credit, LPSC]

The results were presented at the Lunar & Planetary Science Conference outside Houston in March.

Ref: NEW CRATERS ON MARS AND THE MOON. I. J. Daubar,1 A. S. McEwen, 1 S. Byrne, 1 C. M. Dundas1, A. L. Keske, 1 G. L. Amaya, 1 M. Kennedy2, and M.S. Robinson.3 1Lunar & Planetary Laboratory, University of Arizona, Tucson, AZ, 85721 (, 2Malin Space Science Systems, PO Box 910148, San Diego, CA, 92191, 3School of Earth and Space Exploration, Arizona State University, Box 871404, Tempe, AZ, 85287.

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