Sol 4132, September 8, 2015. With Opportunity parked at the Pvt. Silas Goodrich outcrop, the Navcam shot a late-afternoon view to the east. Marathon Valley slopes downward toward the dune-strewn floor of Endeavour Crater, while the far rim cuts the horizon, some 22 kilometers (14 miles) away. Click to enlarge.
Opportunity raw images, its latest mission status, a location map. and atmospheric opacity, known as tau.