Trajectory, Milestones in space exploration - Episode 6
Project Gemini – Docking and EVA - In the final phase of the Gemini program NASA struggles with docking and spacewalks; Curiosity - Roving Mars - On the surface of Mars the Curiosity rover is changing the way we think about the red planet; Swarm - A constellation of satellites is trying to discover why the Earth’s magnetic field is diminishing rapidly.