The exogorth Sy-O was born near a black dwarf. The black dwarf had an iron core and was the last remnant of a star that had once been much brighter and been orbited by planets. Sy-O absorbed the energy given off by the star at the beginning of its life.[1]
Appearances
- "This Is No Cave" — From a Certain Point of View: The Empire Strikes Back (and audiobook) (First mentioned)