Miniature version of stars and planets, useful for studying astronomy.
Perfect, moving model of the galaxy in a large glass ball for sale on Diagon Alley (PA4)
Globes of the moon for sale on Diagon Alley (PA4)
Miniature model of the solar system, contained within a glass dome, each of the moons glimmered in place around the nine planets and the fiery sun, all of them hanging in thin air beneath the glass - Trelawney used one as she taught astrology in Divination (GF29)
Celestial globes in Hepzibah Smith's collection (HBP20)