SUMMARY: Once Spirit wraps up its observations of Crater Bonneville, it will begin the long journey to reach the Columbia Hills, located 2.3 kilometres away. The trip is likely to take 2-3 months, because the rover will stop along the way to analyze anything of interest; some potential targets are a few smaller craters and some trails left by dust devils. The rover's final task at Bonneville will be to analyze some light-coloured rock on the crater's rim. Spirit has been on the surface of Mars for 12 weeks now.

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