While traveling through the solar system, Ms. Frizzle and her class encounter the asteroid belt. There, the class learns what asteroids and the asteroid belt are.

Neil deBuck Weasel and the opossums are happy to find space rocks, which consist of iron, carbon, and a hint of nickel. They soon learn that the rocks have unusually strong magnetic fields and attract to each other. Although largely exaggerated, this clip could be used to illustrate magnetism and the elements found on asteroids.

Scrat accidentally enters a flying saucer and propels himself into outer space. He travels through the solar system (also by accident), and during his journey finds a solar system, planets, asteroids, and other celestial objects.

Yakko gives an overview of the universe by describing the celestial objects (stars, galaxies, planets, moons, asteroids, and comets) that exist in the universe and putting into perspective the human race's significance. The song is accompanied by excellent illustrations.

Pluto is one of the most mysterious and controversial celestial objects in the solar system. Find out what most mystifies scientists and stargazers about this dwarf planet.