Mars Exploration Rover
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NASA's Mars Exploration Rover mission was a robotic space mission involving two Mars rovers, Spirit and Opportunity, exploring the planet Mars. It began in 2003 with the launch of the two rovers to ex
Artist's conception of MER rovers on Mars
Launch of MER-A Spirit
Launch of MER-B Opportunity
Spirit and Opportunity by the numbers
Mars Pathfinder
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Mars Pathfinder was an American robotic spacecraft that landed a base station with a roving probe on Mars in 1997. It consisted of a lander, renamed the Carl Sagan Memorial Station, and a lightweight,
Mars Exploration Rover
…The mission is part of NASA's Mars Exploration Program, which includes three previous successful landers: the two Viking program landers in 1976 and Mars Pathfinder probe in 1997. The scientific objectives of the Mars Exploration Rover mission were to…
Pathfinder and Sojourner at JPL in October 1996, being 'folded' into its launch position.
Sojourner rover on Mars on sol 22
Wheel size comparison: Sojourner, Mars Exploration Rover, Mars Science Laboratory
Diagram of Mars Pathfinder IMP camera