Opportunity Explores Marathon Valley, Gets Ready for Upcoming Martian Winter

An overview of Marathon Valley, seen from Opportunity on March 13, as the rover was positioned at the Valley’s northern side, along the western rim of Endeavour Crater. The scene spans from east, at left, to southeast. Image Credit: NASA/JPL-Caltech/Cornell Univ./Arizona State Univ.

With the coming of autumn in the northern hemisphere, the […]