Bodo Bernhardt, (C) Mars Exploration Rover , (MER) science team member from the University of Mainz, Germany, discusses the Mossbauer spectrum from the "Adirondack" rock at the Gusev Crater on Mars taken from the Mars rover "Spirit" during a press conference at the Jet Propulsion Laboratory (JPL) in Pasadena, California on Friday, 30 January 2004. Ray Arvidson, (L), MER deputy principal investigator from Washington University, St. Louis, and Dick Morris, MER science team member from the NASA Johnson Space Center, (R), flanks Bernhardt. Photo by Francis Specker

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Keywords: 2004, america, arvidson, bernhardt, bodo, dick, exploration, jet, jpl, lab, mars, morris, nasa, pasadena, planet, propulsion, ray, rover, science, states, united, usa