1. Department of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California, USA.
2. Department of Astronomy and Astrobiology Program, University of Washington, Seattle, Washington, USA.
3. Virtual Planet Laboratory, University of Washington, Seattle, Washington, USA.
4. Space Sciences Laboratory, University of California, Berkeley, Berkeley, California, USA.
5. Bellarmine Preparatory, Tacoma, Washington, USA.
6. Department of Astrophysical Sciences, Princeton University, Princeton, California, USA.
7. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA.