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"Is this all real? Or has this been happening inside my head?"
The topic of this article is of a real-life subject that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really existed), and, as such, details contained in this article may differ from real world facts. |
- "Jupiter's biggest moon is Ganymede, not Callisto..."
- — Hermione Granger correcting Ron Weasley's essay on 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[]
- Harry Potter and the Order of the Phoenix (First mentioned)
Notes and references[]
- ↑ Harry Potter and the Order of the Phoenix, Chapter 14 (Percy and Padfoot)
