The red-and-white line on this image traces the route that NASA's Mars Exploration Rover Opportunity drove from its landing inside Eagle Crater on Jan. 4, 2004 (Universal Time; Jan. 3 Pacific Standard Time) through the 1,742nd Martian day, or sol, of the mission (Dec. 17, 2008). During that period, Opportunity drove 13.62 kilometers (8.5 miles). Credit: NASA/JPL-Caltech/Cornell/OSU/ASU
