Dear Spirit rover, your refusal to bow out gracefully is making things a mite awkward back on Earth - we've been writing your obituary for years. But the Mars rover's death is as distant as ever: it should wriggle free of its sandy trap after all.rnIn April 2009 Spirit became mired in loose sand on Mars. After months of trying to free the rover, NASA declared on 26 January that Spirit was stuck, but could at least continue taking measurements.
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