Sol 4780, July 5, 2017. Looking south toward Winnemucca mesa (skyline at center), the Navcam captures a busy-looking landscape. There are rover wheel tracks (left and right), sand ripples (foreground) shaped by winds blowing out of Endeavour Crater (left), and part of the enigmatic trough (middle distance), which mission scientists are exploring to determine its origin. (Click image to enlarge it.)
Opportunity raw images, its latest mission status, location map, and atmospheric opacity, known as tau.