Suzanne E Smrekar, Jet Propulsion Laboratory, Pasadena, CA, United States, Victoria Auerbach, University of Nevada Reno, Reno, NV, United States, Colby Michael Ostberg, University of California Riverside, Riverside, CA, United States, Joseph G O'Rourke, Arizona State University, Tempe, AZ, United States and Anne Davaille, CNRS / University Paris-Sud, Laboratoire FAST, Orsay, France