After subjugating the Marasan civilization which lived within the Marasa Nebula, the Galactic Empire forced them to help Imperial starships navigate through the nebula. With the use of Marasan navigators, anchorpoints, and hyperlanes, Imperial ships could use the nebula as a shortcut while traveling the Trellen route.
- Galaxy Guide 12: Aliens — Enemies and Allies
- The Essential Atlas
- (Picture only)
- Star Wars: Edge of the Empire Core Rulebook