Phil Christensen
Phil Christensen is a geologist whose research interests focus on the composition, physical properties, processes, and morphology of planetary surfaces, with an emphasis on Mars and the Earth. He is a Regents' Professor and the Ed and Helen Horrick Professor of Geological Sciences at Arizona State University, and is the principal investigator for the Mars Global Surveyor Thermal Emission Spectrometer and the Mars Odyssey THEMIS instruments, as well as a co-investigator for the Mars Exploration Rovers, responsible for the Mini-TES instruments. He also serves on the research staff of the Center for Meteorite Studies museum on the ASU campus. Phil works at the Mars Space Flight Facility.
His discovery (based on Thermal Emission Spectrometer data) of crystalline hematite in Meridiani Planum was instrumental in that area's choice as the landing site for the Mars Exploration Rover Opportunity.
Dr. Christensen was awarded the Exceptional Scientific Achievement Medal by NASA in 2003, and was elected as a Fellow of the American Geophysical Union in 2004.