Biggest Microscopic Image Ever
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Biggest Microscopic Image Ever

March 11, 2004
This is a mosaic of four individual frames taken by the microscopic imager that have been very carefully stitched together to reveal the entire 5 centimeter-diameter (almost 2-inch) hole left on the rock dubbed Humphrey. The holes were created by the Mars Exploration Rover Spirit's rock abrasion tool. The mosaic, created on March 7, 2004, is the first of its kind of an abraded surface on Mars, and gavescientists their first ever microscopic imager view of the entire drilled area. While it is easy for the panoramic camera and the navigation cameras to fit an area this size into their field of view, the microscopic imager can only capture a portion of the ground area with each image.

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