pluto (dwarf planet)

Discusses the details and discoveries about Pluto, which was classified as a dwarf planet in 2006, covering its features, its place in the Kuiper belt, future plans for learning more about it, and the related work of various astronomers, such as Percival Lowell and William Henry Pickering, and provides a timeline and glossary.

When Stink discovers that Pluto has been downgraded from a planet to a dwarf planet, he launches a campaign in his classroom to restore its status to that of a full-fledged member of the solar system.

Discusses what is known of the occupants of the "deep freeze regions" of the solar system, Uranus, Neptune, and Pluto, based on current NASA data.

A brief introduction to Pluto, the dwarf planet in the solar system, describing its orbit, unique characteristics, moons, and related topics.

Provides information about the relationship between the Sun and Uranus, Neptune, and Pluto and their vast region of asteroids and comets. Explores theories about the formation and evolution of these planets and discusses how they interact with the inner and outer solar system. Includes color illustrations and photos, tables, graphs, a glossary, and an index.

Examines the discovery and study of the planet Pluto and its satellites. Discusses what Pluto has taught scientists about the origin and evolution of the Solar System, how planetary bodies are investigated and classified in science, and the members of the Edgeworth-Kuiper Belt.

An overview of Pluto that describes its features, Pluto research throughout history, Kuiper Belt objects, and the question of whether or not Pluto is actually a planet.

Discusses the ninth planet, how it was named, and the information astronomers have gathered about it.

Describes the discovery of Pluto, the ninth planet, what has been learned about it, and the current controversy over whether it is a planet at all.

Discusses the smallest, most distant, and most mysterious planet in our solar system, its discovery, its peculiar orbit, and its recently discovered satellite.