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PIA06784: Grinding 'Grindstone'
This image taken by NASA's Mars Exploration Rover Opportunity shows a target dubbed 'Grindstone' on a rock called 'Manitoba' in 'Endurance Crater.' Opportunity dug a hole into the target with its rock abrasion tool.
 Target Name:  Mars
 Is a satellite of:  Sol (our sun)
 Mission:  Mars Exploration Rover (MER) 
 Spacecraft:  Opportunity
 Instrument:  Microscopic Imager 
 Product Size:  1937 x 1856 pixels (w x h) 
 Produced By:  JPL 
 Full-Res TIFF:  PIA06784.tif (3.06 MB)
 Full-Res JPEG:  PIA06784.jpg (583.9 kB)  

Click on the image above to download a moderately sized image in JPEG format (possibly reduced in size from original)

Original Caption Released with Image:

This image taken by the Mars Exploration Rover Opportunity shows a target dubbed "Grindstone" on a rock called "Manitoba" in "Endurance Crater." Opportunity dug a hole into the target with its rock abrasion tool, then captured this picture with its microscopic imager on sol 152 (June 28, 2004). The image mosaic is about 6 centimeters (2.4 inches) across.

Image Credit:
NASA/JPL/Cornell/USGS

Image Addition Date:
2004-08-20