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This blink comparison documents very slight forward movement of NASA's Mars Exploration Rover Spirit during a drive on the rover's 2,090th Martian day, or sol (Nov. 19, 2009).
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Free Spirit: Team Sets Plan for Third Extrication Drive
11.20.09 --Another drive is planned for Spirit on Sol 2092 (Saturday, Nov. 21).
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Movement from Spirit's Second Extrication Drive
Adjusted Local Topography Map of Spirit's Surroundings
A depression called "Scamander Crater," about 8 meters (26 feet) wide and 25 centimeters (10 inches) deep, dominates the terrain near NASA's Mars Exploration Rover Spirit in this map that emphasizes ...
Site of Intense Investigation by Spirit
Mission News
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Free Spirit: Second Extrication Drive Yields Slight Progress
After spinning the wheels for the equivalent of 2.5 meters (8.2 feet) in the forward direction, the center of the rover moved approximately 12 millimeters (0.5 inch) forward, 7 millimeters (0.3 inch) to the left and about 4 millimeters (0.2 inch) down.
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Free Spirit: Second Planned Extrication Drive is Straight Ahead Again
Because the first extrication drive for Spirit, on Sol 2088 (Nov. 17), stopped as soon as it began due to an exceeded tilt limit, the plan for an extrication drive on Sol 2090 (Nov. 19) will essentially be a repeat of the first drive plan, but with improved rover attitude knowledge.
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.