Mars Rover Turns 3-Month Mission Into Decade Of Exploration

Opportunity, NASA's Mars Rover, landed on Mars on Jan. 24, 2004. It was supposed to be a three-month mission, but 10 years later the rover is still investigating the red planet and sending data and images back to NASA. Jim Bell, an astronomer at Arizona State University, talks with NPR's Rachel Martin about Opportunity's decade on Mars.