Phosphor was a substance which due to its chemical properties would glow after exposure to certain kinds of radiation. On the planet Coruscant, phosphor was used in signs and street lights.
Appearances
- Coruscant Nights I: Jedi Twilight
- "A Boy and His Monster: The Rancor Keeper's Tale" — Tales from Jabba's Palace (First appearance)
"Idol Intentions" — Star Wars Adventure Journal 12 (Mentioned only)
