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Current Cratering on Mars from Imaging and Seismic Studies

06/06/2017

Campus Paris-Rive-Gauche

11:00

Séminaires Planétologie et Sciences Spatiales

522, bât. Lamarck

Ingrid Daubar

Jet Propulsion Laboratory

Impact cratering is an ongoing process throughout the solar system, and on Mars we can witness that process currently occurring. Hundreds of new, dated craters have now been found via before and after imaging. I will present results from those discoveries: the size frequency distribution of the current production function of craters and implications for martian chronology, changes over time in the impact blast zones due to dust redistribution, the morphological characteristics of the new craters themselves, and what this implies for the seismic detectability of impacts by InSight.