|"Is this all real? Or has this been happening inside my head?"
The subject of this article is of a real-life person, place, group, company, product, or creative work 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 exists), and, as such, details contained in this article may differ from real world facts.
Io is one of Jupiter's moons.
- Harry Potter and the Order of the Phoenix (First mentioned)
Notes and references
|Professors: Aurora Sinistra|
|Astronomy at Hogwarts: Astronomy department · Astronomy Tower · Astronomy Room · Astronomy Stairs · Astronomy Corridor · Astronomy reading room · |
|Astronomers: Aurora Sinistra · Copernicus · George von Rheticus · Perpetua Fancourt|
|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|