Ronald GreeleyRonald Greeley is a Regents' Professor in the School of Earth and Space Exploration, Arizona State University, Director of the NASA-ASU Regional Planetary Image Facility and Principal Investigator of the Planetary Aeolian Laboratory at NASA-Ames Reserch Center. He has co-authored several well-known books on planetary surfaces, including The Compact NASA Atlas of the Solar System and Planetary Mapping (both available from Cambridge University Press). Read More Read Less