Opportunity: 10 Years on Mars Science

Two Mars Exploration Rovers, Spirit and Opportunity, landed on the Red Planet in January, 2004, on a 90day mission. Spirit s mission lasted 2, 269 days (over 6 years) and ended in 2010. Ten years after landing, the Opportunity rover continues to explore. The rover s science team explains how Opportunity traversed the Red Planet, examined the diverse environment and sent back data that transformed our understanding of