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Too Big for the Sieve

Posted on Thursday, October 11, 2012
Uploaded by Waspie_Dwarf
Too Big for the Sieve
Image credit: NASA/JPL-Caltech/MSSS

Uploader comment: In this image, the scoop on NASA's Curiosity rover shows the larger soil particles that were too big to filter through a sample-processing sieve that is porous only to particles less than 0.006 inches (150 microns) across. After a full-scoop sample had been vibrated over the sieve, this held-back portion was returned to the scoop to be accessible for inspection by the rover's Mast Camera.


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