From Gineipaedia, the Legend of Galactic Heroes wiki
A light-year (Japanese: 光年) is a measurement of length equal to the distance travelled by light in a vacuum over the course of an Earth year, and is equivalent to about 9.4 trillion (9,460,000,000,000) kilometres.
- Light-year at Wikipedia
|General phenomena||Asteroid (category) • Black hole • Planet (category) • Star (category) • Starzone (category)|
|Other||Galaxy • Light-year • Navigation corridors • Orion Arm • Sagittarius Arm|