Sol 4248, January 6, 2016. The rover’s Rock Abrasion Tool (RAT) has given the target Pvt. John Potts (right) a brushing and taken a Microscopic Imager composite of the result (below). Click to enlarge and compare with the untouched version seen here.
Mission scientists are now planning to give the target a second, deeper grind with the RAT.
Opportunity raw images, its latest mission status, a location map. and atmospheric opacity, known as tau.