Roxana Lupu, Bay Area Environmental Research Institute Moffett Field, Moffett Field, CA, United States, Bruce Fegley Jr, Washington University in St. Louis, St. Louis, MO, United States, Kevin J Zahnle, NASA, Moffett Field, CA, United States, Richard Freedman, SETI Institute / Nasa Ames, Moffett Field, United States and Mark S Marley, NASA Ames Research Center, Moffett Field, CA, United States