Opportunity on Mars, 2004-2019: NASA sings requiem to a rover — and looks ahead
Ths colorized image of the Opportunity rover’s shadow was taken on July 26, 2004, by the rover’s front hazard-avoidance camera as it moved farther into Endurance Crater in the Meridiani Planum region of Mars. (NASA / JPL-Caltech Photo)
After months o...