Free Spirit: Plotting an Escape
NASA's long running Mars rover Spirit will begin critical drives for escaping a sand trap. credit: NASARelated Videos
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- Spirit Rover Still 'Stuck' On Mars
- Free Spirit: Into the Sandbox
- Free Spirit - Exploring Options
- Three Years on Mars-Spirit
- Free Spirit
- "Free Spirit" Update
- Free Spirit - A Second Rover Rolls in Test Area
- Free Spirit: Plotting an Escape
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