Why do astronauts feel heavy after take-off?
Why are rockets long and thin?
How do spacecraft orbit Earth?
Fly to Mars! takes a fun look at forces in space exploration, from lift-off to life in zero gravity and the challenges of living on other planets. Set forth on your own trip into space to discover how forces act on astronauts, find out how they stay healthy on a space station and see what kind of kit they need in their spacesuits.