1. Space Science Division; NASA Ames Research Center; Moffett Field California USA
2. SETI Institute; Mountain View California USA
3. Department of Geological Sciences; Arizona State University; Tempe Arizona USA
4. DLR Institut für Raumsimulation; Cologne Germany
5. U.S. Geological Survey; Flagstaff Arizona USA
6. Department of Civil and Environmental Engineering and Geodetic Science; Ohio State University; Columbus Ohio USA
7. Photovoltaics and Space Environment Branch; NASA John Glenn Research Center; Cleveland Ohio USA
8. Department of Earth and Planetary Sciences; Washington University; St. Louis Missouri USA