Bill Nye talks about Outer Space--planets, stars, galaxies, and the universe. He also visits the Mount Wilson Observatory in California to help illustrate how long it takes light to travel through the galaxy.

Originally an episode of the television program Bill Nye, the science guy. Features: fully indexed "chapters" correlated to National Science Standards; interactive glossaries and quizzes; bonus footage of never-before-seen segments, interviews, and demos; on-disk implementation guide.