1. Division of Geological and Planetary Sciences California Institute of Technology Pasadena CA USA
2. Department of Geoscience University of Wisconsin‐Madison Madison WI USA
3. Department of Earth and Planetary Sciences University of Tennessee, Knoxville Knoxville TN USA
4. Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA
5. Astrogeology Science Center U.S. Geological Survey Flagstaff AZ USA