In 'Secrets of the Sun, ' take a guided tour of Earth's life-giving star through computer-generated graphics. 'Mars: the Red Planet' uses dated collected from probes and robotic rovers to take viewers to the planet's surface to show what life would be like for a human settlement. 'The End of the Earth' takes a harrowing look at the results of a collision with a deep space object, and at the technologies scientists are developing to protect the planet. 'Jupiter: the Giant Planet' takes a look at this colossal riddle, half a billion miles from Earth, and two and a half times larger than all of the the solar system's other planets combined.