Helium was a major constituent in Dorin's atmosphere
Helium, an elemental gas, alongside Dorin gas, composed a significant portion of the atmosphere found on Dorin.
- Star Wars: Aliens of the Galaxy (Initial Mention)
- Star Wars: Complete Locations
- Star Wars Helmet Collection 32 (Databank A-Z: Kel Dor–Ki-Adi-Mundi)
- Star Wars 100 Objects
- Star Wars: The Ultimate Cookbook