Mars Exploration Rover Update - June 2, 2004
SPIRIT UPDATE: Taking Time to Trench - sol 140-142, June 02, 2004
Spirit spent most of sol 140 investigating the trench it dug on
sol 135. It got an up-close look at the trench with the microscopic imager and then began a five-and-a-half hour integration with the Mössbauer spectrometer. Doing double duty, Spirit surveyed the "Columbia Hills" with the panoramic camera and miniature thermal emission spectrometer during the Mössbauer observation. Following the afternoon Odyssey communications window, Spirit changed tools and began an overnight integration on two targets with the alpha particle X-ray spectrometer.
On sol 141, Spirit continued to observe the trench with the Mössbauer spectrometer and microscopic imager. The rover also obtained panoramic camera images of its surroundings while doing work with the robotic arm. It then stowed the instrument deployment device and backed up 0.85 meters (2.8 feet). Spirit spent most of the afternoon observing the trench using the miniature thermal emission spectrometer.
Spirit got a chance to stretch its wheels and do some driving on sol 142, but before taking off, the rover finished the trench observations with some panoramic camera imaging. Then it was time to rove. Spirit completed a 30-minute, engineer-directed drive and then turned the wheel over to the autonomous navigation software for another hour and 15 minutes of driving. Spirit roved a total of 61 meters (200.1 feet) closer toward the Columbia Hills.
Spirit has 2,647.7 meters (1.65 miles) on its odometer, and just over 620 meters (.4 miles) to rove before reaching the base of the Columbia Hills.
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