Mars Rover

Weighing as much as a small car, a rover named Curiosity rolls quietly around Mars. Scientific instruments pack its body and cluster at the end of a mechanical arm. An arrangement of lenses and instruments tops its mast, like a face. To the many NASA workers involved in Curiosity''s mission on Mars, the rover is not simply a robot, but an astronaut bravely exploring an alien place. Curiosity''s in...