Describes the history of space walking and the technological advances that have made it possible. Also explains how space suits and space walkers work and discusses future experiments.
Discusses the six Apollo missions that landed on the moon, describing the work performed there, what it is like to walk on the moon, and the collection of moon rocks.
Photographs and text introduce students to the structure and function of the earth's atmosphere, describing what it does, how it impacts the planet, and what role it plays in the universe.