Affiliation: | 1. Department of Earth and Environmental Sciences, Michigan State University, East Lansing, MI, 48824 USA;2. Department of Biology, University of Utah, Salt Lake City, UT, 84112 USA;3. Department of Earth and Environmental Sciences, Michigan State University, East Lansing, MI, 48824 USA Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, 48824 USA;4. Laboratory for Atmospheric and Space Physics, UCB 600, University of Colorado-Boulder, Boulder, CO, 80309 USA;5. Exobiology Branch, NASA Ames Research Center, Moffett Field, CA, 94035 USA;6. Exobiology Branch, NASA Ames Research Center, Moffett Field, CA, 94035 USA SETI Institute, Mountain View, CA, 94043 USA;7. Department of Geosciences, University of Rhode Island, Kingston, RI, 02881 USA |