Light-year
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.
Appendices
External links
- Light-year at Wikipedia
| v•d•e | |
|---|---|
| General phenomena | Asteroid (category) • Black hole • Planet (category) • Star (category) • Starzone (category) |
| Other | Galaxy • Light-year • Navigation corridors • Orion Arm • Sagittarius Arm |
