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Daisy Found on Route 66
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Daisy Found on 'Route 66'

April 19, 2004
This composite image from the panoramic camera on NASA's Mars Exploration Rover Spirit gives an approximately true-color rendering of a daisy-like pattern of brushed circles that Spirit produced on a rock called Route 66. Spirit used the rock abrasion tool to complete this 6-position RAT daisy on sol 99. It took this image on sol 100, April 14, 2004. The purpose for these large brushings is to create a large enough patch of treated surface area for the miniature thermal emission spectrometer to analyze. Scientists had previously conducted a brushing like this one on the rock Mazatzal. The brushed area of Route 66 looks very different from the brushed area of Mazatzal, leading scientists to think that the rocks - although both light in tone - actually have different coating types.


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