Craters on Pluto and Charon: The Influence of Low Gravities, Low Impact Speeds, and Unique Ices

Kelsi N Singer1, Paul Schenk2, William B McKinnon3, Stuart J Robbins4, Jeffrey M Moore5, Veronica J Bray6, John R Spencer4, S Alan Stern7, William M Grundy8, Ross A Beyer5, Carly Howett4, Cristina Dalle Ore9, Oliver L White10, Alex Harrison Parker11, Simon Porter4, Amanda Marie Zangari12, Leslie Ann Young4, Catherine Olkin4, Kimberly Ennico Smith5, Harold A Weaver Jr13 and The New Horizons Geology, Geophysics and Imaging Science Theme Team, and The New Horizons Surface Composition Science Theme Team , (1)Southwest Research Institute, Boulder, CO, United States, (2)Lunar and Planetary Institute, USRA, Houston, United States, (3)Washington University in St Louis, St. Louis, MO, United States, (4)Southwest Research Institute Boulder, Boulder, CO, United States, (5)NASA Ames Research Center, Moffett Field, CA, United States, (6)University of Arizona, Tucson, AZ, United States, (7)Southwest Research Institute Boulder, Dept Space Studies, Boulder, United States, (8)Lowell Observatory, Flagstaff, United States, (9)SETI Institute, Mountain View, CA, United States, (10)NASA Ames Research Center, MS 245-3, Moffett Field, CA, United States, (11)SETI Institute, Boulder, United States, (12)Unaffiliated, Lexington, MA, United States, (13)Applied Physics Laboratory Johns Hopkins, Laurel, United States