Practice Makes Perfect: Engineers Prepare for Mars Rover Landings

As Spirit and Opportunity, NASA’s two Mars rovers whisk through space, silently and speedily closing in on the red planet, back here on Earth, there’s no rest for scientists and engineers as time till touchdown for each spacecraft clicks away. Expert teams are in get-a-move-on-mode, sharpening their collective skills, final checking software, and confirming actions for safely landing and then driving the twin tele-robots across dusty Mars.