Affiliation: | 1. US Geological Survey, , Flagstaff, AZ, USA;2. Northern Arizona University, , Flagstaff, AZ, USA;3. Applied Physics Laboratory, , Laurel, MD, USA;4. Planetary Science Institute, , Tucson, AZ, USA;5. SETI Institute, , Mountain View, CA, USA;6. NASA Ames Research Center, , Moffett Field, CA, USA |