pluto (planet)

Examines the composition of Pluto and describes current theories about its formation and the features that make it unique.

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.

Photographs and simple text explore the physical characteristics and discovery of the dwarf planet Pluto.

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

Billy Blaster finds an alien ship trapped under the ice of Pluto and is shocked when he discovers his alien friends, the Snurgons, frozen inside.

Provides facts about Pluto, looking at where it is located in the solar system, discussing its unique qualities, explaining why it was reclassified from planet to ice dwarf, examining Pluto's moons, and describing the mission that is expected to provide the first photographs of Pluto.

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.