Robots in Space

Millions of miles from Earth, a very unusual scientist is hard at work exploring the freezing, dusty surface of the planet Mars. Curiosity, the robot geologist, is one in a long line of robots that have visited some of our solar system's most inhospitable places. In this fascinating title, we look at space robots from the past and those at work today. What are their missions? What tasks can they do? And how does it feel to be the human here on Earth who controls a high-tech robot on a faraway planet?