NASA Goddard Space Flight Center, Solar System Exploration Division, Mail Code 690, Greenbelt, MD 20771, USA
NASA Goddard Space Flight Center, Mail Code 612.3, Greenbelt, MD 20771, USA; University of Maryland, Baltimore County, Goddard Earth Sciences and Technology Center, 5523 Reasearch Park Dr, Suite 320, Baltimore, MD 21228, USA
NASA Goddard Space Flight Center, Solar System Exploration Division, Mail Code 690, Greenbelt, MD 20771, USA
University of California, Berkeley, Space Sciences Laboratory, Berkeley, CA 94720, USA
University of California, Berkeley, Space Sciences Laboratory, Berkeley, CA 94720, USA