"Jupiter's biggest moon is Ganymede, not Callisto..."
Hermione Granger correcting Ron Weasley's essay about Jupiter's Moons[src]

Callisto was one of Jupiter's moons. It was studied in Astronomy class at Hogwarts School of Witchcraft and Wizardry.[1]

Appearances

Notes and references

  1. Harry Potter and the Order of the Phoenix, Chapter 14 (Percy and Padfoot)


Astronomy
Astronomy Pottermore.png
Professors: Aurora Sinistra
Astronomy at Hogwarts: Astronomy department · Astronomy Tower · Astronomy Room · Astronomy Stairs · Astronomy Corridor · Astronomy reading room ·
Astronomy classroom
Astronomers: Aurora Sinistra · Copernicus · George von Rheticus · Perpetua Fancourt · Hesper Starkey
Objects: Globe of the Moon · Lunascope · Moon chart · Orrery · Star chart · Telescope
Planets: Jupiter · Mars · Mercury · Neptune · Pluto · Saturn · Uranus · Venus
Satellites: Callisto · Europa · Ganymede · Io · Moon
Constellations: Bartholomeus · Orion
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