C. Brenhin Keller, Dartmouth College, Hanover, CA, United States, Jon M Husson, University of Victoria, Victoria, Canada, Ross Mitchell, Earth Dynamics Research Group, ARC Centre of Excellence for Core to Crust Fluid Systems (CCFS) and The Institute for Geoscience Research (TIGeR), School of Earth and Planetary Sciences, Curtin University, Perth, Australia, William F Bottke Jr, Southwest Research Institute Boulder, Solar System Exploration Research Virtual Institute, Institute for the Science of Exploration Targets, Boulder, CO, United States, Thomas Gernon, National Oceanography Centre, Glasgow, United Kingdom, Patrick Boehnke, Eta Vision, Chicago, IL, United States, Elizabeth A Bell, UCLA, Los Angeles, CA, United States, Nicholas Swanson-Hysell, University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States and Shanan E Peters, University of Wisconsin Madison, Geoscience, Madison, WI, United States