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    Mars Exploration Rovers

Now, the latest generation of planetary rovers are being developed to pick up where Sojourner left off and return to the Surface of Mars.
The Mars Exploration Rover (MER) is a robotic geologist, equipped with a robot arm, a drill, three spectrometers and four pairs of cameras, which allows it to have a human-like, 3D view of surrounding terrain. The Mars Exploration Rover can travel as far as 100 meters in one day to act as Mars scientists' eyes and hands, exploring an environment where humans can't yet go.


    Mars Exploration Rover
    A computer rendering illustrating a Mars Exploration Rover on the Surface of Mar extending its robotic arm to sample a near by rock.

Two identical Mars Exploration Rovers are scheduled for two separate launches between May 30 and July 12, 2003, and will land in two different locations on Mars in January of 2004. Over the course of their 90-day missions, the rovers will drive to half a dozen different locations to perform on-site scientific investigations of rocks and soils.


LEGO Mars Exploration Rover

NASA's twin robot geologists, the Mars Exploration Rovers, will launch toward Mars in 2003 in search of answers about the history of water on Mars.
The Mars Exploration Rover mission is part of NASA's Mars Exploration Program, a long-term effort of robotic exploration of the red planet. The program seeks to take advantage of each launch opportunity to go to Mars, which comes around every 26 months as the planets move around the Sun. Scheduled for two separate launches between May 30 and July 12, 2003, the two rovers will be delivered in landing craft to separate sites on Mars in January 2004.

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