A Grind Well Done
This microscopic image mosaic was created on sol 85 after NASA's Mars Exploration Rover Spirit completed a second grind with its rock abrasion tool at the target "New York" on the rock named "Mazatzal." The three-hour, 23-minute grind occurred on sol 83.
This grind was performed at the same location but at a slightly different angle than the first grind, which occurred on sol 82. This second drilling now reveals a full and somewhat deeper circle of underlying rock that will allow for a more complete analysis of the interior of the rock.
Image credit: NASA/JPL
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