Yury Salavatovich Aglyamov, Cornell University, Ithaca, NY, United States, Jonathan I Lunine, Cornell University, Department of Astronomy, Ithaca, NY, United States, Steven Levin, Jet Propulsion Laboratory, Pasadena, CA, United States, Heidi N Becker, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States and Sushil K Atreya, University of Michigan Ann Arbor, Ann Arbor, MI, United States