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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).
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Team Sets Plan for Third Extrication Drive
Spirit successfully completed the first step of its planned two-step motion on Sol 2090 (Nov. 19).
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Second Extrication Drive Yields Slight Progress
Another drive is planned for Spirit on Sol 2092 (Saturday, Nov. 21).
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Opportunity Finds Another Meteorite
NASA's Mars Exploration Rover Opportunity has found a rock that apparently is another meteorite, less than three weeks after driving away from a larger meteorite that the rover examined for six weeks.
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Second Planned Extrication Drive is Straight Ahead Again
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.
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Tilt Parameters End First Extrication Drive
The preliminary results from the first extrication drive for Spirit on Sol 2088 (Nov. 17, 2009) indicate the rover stopped less than 1 second after it began, sensing more vehicle lateral tilt than permitted.
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Team Prepares to Uplink Commands to Spirit
Driving commands are being prepared to instruct Spirit to attempt to drive forward. These are the first driving commands since Spirit became embedded in a Martian sandtrap approximately six months ago.
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NASA to Begin Attempts to Free Sand-Trapped Mars Rover
NASA will begin transmitting commands to its Mars exploration rover Spirit on Monday as part of an escape plan to free the venerable robot from its Martian sand trap.
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Take Me Out to the Ballpark - On Mars!
Students in fourth through seventh grade will work to create the ultimate baseball experience "on Mars," even designing the rules for how to play a game on the Red Planet.
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Amnesia-Like Behavior Returns on Spirit
Until Oct. 24, NASA's Mars Exploration Rover had gone more than six months without an episode of amnesia-like symptoms like those that appeared on four occasions earlier this year.
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Team Runs Operational Test to Prepare for Extracting Spirit
Engineers using test rovers on Earth to prepare for extracting the sand-trapped Spirit rover on Mars have added a new challenge to their preparations.
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