Discusses the orbit, atmosphere, moons, surface features, exploration, and other aspects of the planet Neptune.

Discusses the surface features, atmosphere, orbit, moons, rings, and exploration of the planet Uranus.

Presents information on the different types of celestial matter known as asteroids, comets, and meteors and on what scientists learned from the impact of a comet on the surface of Jupiter.

Presents information on the deep blue sea, islands, waterworks, dry spells, mountains, forests, grasslands, and tundra