Mars Exploration Rover Update - December 29, 2005

http://marsrovers.jpl.nasa.gov/mission/status.html
SPIRIT UPDATE: On 'Horseback' - sol 695-702, Dec 29, 2005:
Spirit is healthy. The rover drove 8.3 meters (27 feet) and perfectly
positioned itself in front of a rock informally named "Comanche." Spirit performed work with the instruments on the robotic arm on a target called "Horseback" at Comanche. The rock abrasion tool's brush was only partially successful in making contact with Horseback, so the team moved the robotic arm to different target informally called "Palomino." Spirit performed a successful brushing and continued with more investigations using the other instruments on the robotic arm.
Sol-by-sol summaries:
Sol 695 (Dec. 17, 2005): Spirit performed targeted remote sensing.
Sol 696: Spirit performed targeted remote sensing.
Sol 697: Spirit approached "Comanche Spur" by driving 8.3 meters (27 feet).
Sol 698: Spirit took a picture of the target Horseback on Comanche Spur with the microscopic imager. The plan was for Spirit then to brush the target area with the rock abrasion tool's brush and afterwards perform observations with the Moessbauer spectrometer and microscopic imager. The brushing did not occur due to the rock abrasion tool losing contact with the target.
Sol 699: Spirit performed a short Moessbauer spectrometer integration and tried again to use the rock abrasion tool's brush on Horseback. The brush only cleared off roughly 20 percent of the target.
Sol 700: Spirit successfully brushed another area on Comanche, called Palomino. After the brushing, Spirit took pictures of Palomino using the microscopic imager. Spirit also studied Palomino with the alpha particle X-ray spectrometer.
Sol 701: Spirit studied Palomino with the Moessbauer spectrometer and performed remote sensing.
Sol 702 (Dec. 24, 2005): Spirit studied Palomino with the Moessbauer spectrometer and performed remote sensing again.
As of sol 700 (Dec. 22, 2005), Spirit's total odometry is 5,673 meters (3.53 miles).
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