A galaxy (from the Greek root galaxias {γαλαξίας}, meaning "milky", a reference to the Milky Way) is a massive, gravitationally bound system consisting of stars, an interstellar medium of gas and dust, and dark matter.[1][2] Typical galaxies...
Galaxia can refer to: The superior form of Gaia, a planet in Isaac Asimov's Foundation Series. Sailor Galaxia, an antagonist from the Sailor Moon Sailor Stars...