Sol 4077, July 14, 2015. In three frames, Opportunity’s Navcam shoots a composite showing the entrance to Marathon Valley, the rover’s next field for exploration. Note the generally bare and clean appearance of the rock slabs, swept by easterly winds coming out of Endeavour Crater. In the distance lie the floor of Endeavour and its opposite rim, 22 kilometers (14 miles) away. (Click the image to load a larger version in a new tab.)
Opportunity raw images, its latest mission status, a location map. and atmospheric opacity, known as tau.