1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California.
2. Scripps Institution of Oceanography, La Jolla, California.
3. Massachusetts Institute of Technology, Cambridge, Massachusetts.
4. University of California at Berkeley, Berkeley, California.
5. SETI Institute, Mountain View, California.
6. NASA Ames Research Center, Moffett Field, California.
7. Leiden Institute of Chemistry, Leiden, The Netherlands.
8. NASA Goddard Space Flight Center, Greenbelt, Maryland.
9. International Space Science Institute, Bern, Switzerland.
10. University of Glasgow, Glasgow, UK.
11. Lockheed Martin Space Systems Company, Denver, Colorado.
12. Natural History Museum, Bern, Switzerland.
13. SPACE-X Exploration Institute, Neuchâtel, Switzerland.
14. Institute of Aerospace Medicine, Köln, Germany.
15. Imaginary Lines, San Diego, California.
16. Musée National d'Histoire Naturelle, Paris, France.
17. Imperial College of London, London, UK.