Opportunity Microscopic Imager mosaic, sol 3064: spherules
Filed under pretty pictures, amateur image processing, Mars, Mars Exploration Rovers, Opportunity
A mosaic of four images captured with Opportunity's Microscopic Imager on sol 3064 (September 6, 2012) shows strange spherules embedded in a fine-grained matrix. At the time, Opportunity was on the inner rim of Endeavour crater at Cape York, exploring a fin-like outcrop.
NASA / JPL / USGS / Stuart Atkinson
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Original image data dated on or about September 6, 2012