Describes Michael E. Brown's interest in outer space when he was a child and his study of the Kuiper Belt when he became an astronomer, telling the story of how Pluto came to be reclassified, and includes sidebar space facts.
Explains what the outer planets are made of, discusses how they formed, and describes the orbit, rotation, environment, makeup, moons, and rings of Jupiter, Saturn, Uranus, and Neptune, as well as the dwarf planet Pluto.
Provides the history of the small, icy world of Pluto from its discovery and naming to its recent reclassification, and explains how scientists organize and class our solar system as they gain new insights into how it works and what types of things exist within it.
Describes the planet Pluto, including its surface, its moon, and exploration of it, and provides a glossary, a further-reading list, and related Web sites.
Introduces the planets Neptune and Pluto, answering questions about their atmospheres, what they are made of, how big they are, what they look like and much more.