pluto (dwarf planet)

Describes the interiors, surfaces, rings, and moons of Uranus and Neptune; the discovery of Pluto and the Kuiper belt; what is known about Pluto's interior and surface; and also discusses Charon and the Oort cloud.

The story of the young farm boy who became an astronomer and discovered the planet Pluto at the age of twenty-four.

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.

Examines the physical characteristics and conditions of Uranus, Neptune, and Pluto, describing their positions in relation to the sun and other planets and surveying humanity's attempts to penetrate their mysteries.

Examines the history, unique features, and exploration of the ninth planet from the sun.

Explores the planet Pluto, including its atmosphere and composition, its early astronomical sightings, and its terrain.

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

The astronomer who inadvertently triggered the "demotion" of Pluto in his effort to officially recognize the solar system's tenth planet describes the ensuing debates and public outcry while revealing the behind-the-scenes story of his discovery.

Provides information about Pluto, a dwarf planet, and includes a word hunt, definitions, and a look at other dwarf planets.