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Galaxy

A galaxy is a massive, gravitationally bound system that consists of stars and stellar remains. The Milky Way galaxy is home to the planet Earth,[1] and perfect moving models of the galaxy in a large glass ball were on sale in Diagon Alley.[2]

Appearances

Notes and references

Astronomy
study · class
Professors: Satyavati Shah · Aurora Sinistra
Astronomy at Hogwarts: Astronomy classroom · Astronomy Corridor · Astronomy Club · Astronomy department · Astronomy homework meeting · Astronomy reading room · Astronomy Room · Astronomy Stairs · Astronomy Tower
Astronomers: Aurora Sinistra · Copernicus · George von Rheticus · Perpetua Fancourt · Hesper Starkey
Objects: Astrolabe · Astronomy Table · Globe of the Moon · Lunascope · Meteor viewing device · Moon chart · Orrery · Sextant · Star chart · Telescope
Planets: Jupiter · Mars · Mercury · Neptune · Pluto · Rogue planets · Saturn · Uranus · Venus
Satellites: Callisto · Europa · Ganymede · Io · Moon
Constellations: Aquila · Argo Navis · Bartholomeus · Canis Major · Capricornus · Centaurus · Cetus · Corvus · Crater · Crux · Dark cloud constellations · Draco · Horologium · Hydra · Lacerta · Leo · Lupus · Lyra · Orion · Phoenix · Sagittarius · Scorpius · Serpentarius · Ursa Major
Stars: Arcturus · Canopus · Sirius · Vega
Other topics: Black holes · Celestial Studies · Cosmic ages · Dark energy · Dark matter · Eclipse · Galaxy · Lunar phases · Meteor showers · Space weather · Wormholes