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Deep Hole In Clovis

At a rock called "Clovis," the rock abrasion tool on NASA�s Mars Exploration Rover Spirit cut a 9-millimeter (0.35-inch) hole during the rover's 216th martian day, or sol (Aug. 11, 2004). Image Credit: NASA/JPL/Cornell

 Pasadena CA (JPL) Aug 30, 2004
 At a rock called "Clovis," the rock abrasion tool on NASA�s Mars Exploration Rover Spirit cut a 9-millimeter (0.35-inch) hole during the rover's 216th martian day, or sol (Aug. 11, 2004).

The hole is the deepest drilled in a rock on Mars so far. This approximately true-color view was made from images taken by Spirit's panoramic camera on sol 226 (Aug. 21, 2004) at around 12:50 p.m. local true solar time - early afternoon in Gusev Crater on Mars.

To the right is a "brush flower" of circles produced by scrubbing the surface of the rock with the abrasion tool's wire brush.

Scientists used rover's Moessbauer spectrometer and alpha particle X-ray spectrometer to look for iron-bearing minerals and determine the elemental chemical composition of the rock.

This composite combines images taken with the camera's 600-, 530- and 480-nanometer filters. The diameter of the hole cut into the rock is 4.5 centimeters (1.8 inches).

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MARSDAILY
Spirit Heading To 'Home Plate'
 Pasadena CA (JPL) Jan 09, 2006
 Last week Spirit completed robotic-arm work on "El Dorado." The rover used all three of its spectrometers plus the microscopic imager for readings over the New Year's weekend.






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