A Long Way From Home: This pair of pieced-together images was taken by the Mars Exploration Rover Spirit’s rear navigation camera on March 6, 2004. It reveals the long and rocky path of nearly 240 meters (787 feet) that Spirit had traveled since safely arriving at Gusev Crater on Jan. 3, 2004.

A Glimpse of What’s to Come: This 360-degree navigation camera mosaic was taken by Mars Exploration Rover Spirit on March 9, 2004, after a drive that brought the rover to less than 20 meters (66 feet) from the rim of the crater nicknamed “Bonneville.”