Beakman explains what a comet is by having Liza act like Maria Mitchell. She explains that comets are basically giant dirty snow balls. She goes over the different parts of a comet and why comets look the way they do to us.
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.