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This view from the navigation camera near the top of the mast on NASA's Mars Exploration Rover Spirit shows the tracks left by the rover as it drove southward and backward, dragging its inoperable ...
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Latest News
Free Spirit: No Wheel Stall in Diagnostic Drive
11.25.09 --On Sol 2095 (Tuesday, Nov. 24), Spirit performed a set of diagnostic actions related to a stall of the right-rear wheel on the previous drive, three days earlier.
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Latest Images
Tracks in, Path out?
Approaching 'Marquette Island'
NASA's Mars Exploration Rover Opportunity took this picture of a rock informally named "Marquette Island" as the rover was approaching the rock for investigations that have suggested the rock is a ...
Examining 'Marquette Island'
NASA's Mars Exploration Rover Opportunity used the wire brush of its rock abrasion tool during the rover's 2,070th Martian day, or sol (Nov. 19, 2009), to scour dust from a circular target area on a ...
Mission News
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No Wheel Stall in Diagnostic Drive
On Sol 2095 (Tuesday, Nov. 24), Spirit performed a set of diagnostic actions related to a stall of the right-rear wheel on the previous drive, three days earlier.
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Third Extrication Drive Ends With Wheel Stall
Spirit experienced a wheel stall with the right-rear wheel during the second step of a two-step drive on Sol 2092 (Saturday, Nov. 21).
Mission Features
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Mars Rovers Earn Congressional Kudos
03.11.09 - Congress passed a resolution Wednesday recognizing scientific contributions of NASA's Mars Exploration Rovers, and commending the JPL and Cornell University teams.
Video Gallery
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Free Spirit: Plotting an Escape
NASA's long-running Mars rover Spirit will begin critical drives for escaping a sand trap.
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Free Spirit - A Second Rover Rolls in Test Area
JPL engineers are using a second, lighter rover to test maneuvers to free Spirit.
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Free Spirit: Measuring Progress
Engineers continue crab-driving a test rover at JPL in an effort to plan how to dislodge Spirit from loose sand on Mars.
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Free Spirit: Exploring Options
JPL engineers are trying out maneuvers with a test rover on Earth, to plan an escape on Mars for Spirit.
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Free Spirit - Into the Sandbox
Rover Project Manager John Callas explains how getting a test rover stuck in a sandbox on Earth may help get Spirit out of a predicament on Mars.
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 "Plan for Getting Mars Rover Moving")
 "testing rover")
 "Spirit: Measuring Progress")
 "Free Spirit: Exploring Options")
 "Rover testing at NASA's Jet Propulsion Laboratory")
Multimedia Gallery
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Still Roving on Mars
After five years, the Mars Exploration Rovers are still studying Mars. Take a closer look at how they work.