1. Department of MicrobiologyUniversity of MassachusettsAmherst Massachusetts USA
2. Department of AstronomyMount Holyoke CollegeSouth Hadley Massachusetts USA
3. Department of Earth SciencesUniversity of OttawaOttawa Ontario Canada
4. GEOMAR, Helmholtz Centre for Ocean ResearchKiel Germany
5. Department of Biology, Centre for GeobiologyUniversity of BergenBergen Norway
6. SETI Institute/NASA Ames Research Center, Moffett FieldCalifornia USA
7. Planetary Science InstituteTucson Arizona USA
8. Joint Institute for the Study of the Atmosphere and Ocean, University of Washington and NOAA‐PMELSeattle Washington USA
9. School of OceanographyUniversity of WashingtonSeattle Washington USA