Mars Exploration Rover team members at NASA Jet Propulsion Laboratory, Pasadena, Calif., prepare an experiment on July 13, 2009, for assessing how a test rover moves when embedded in loose soil and commanded to drive backward with wheels turned.
Mars Exploration Rover team members at NASA Jet Propulsion Laboratory, Pasadena, Calif., prepare an experiment on July 13, 2009, for assessing how a test rover moves when embedded in loose soil and commanded to drive backward with wheels turned.