Rethen/Legends

Rethen was a type of gas that was found within the atmosphere of the gas giant planets of Killaniri and Bespin.

Bespin was composed of rethen in liquid and solid forms.

Sources

• Galaxy Guide 2: Yavin and Bespin
• Planets of the Galaxy, Volume One
• The Last Command Sourcebook
• The Star Wars Planets Collection
• Galaxy Guide 2: Yavin and Bespin, Second Edition
• The Thrawn Trilogy Sourcebook
• The Official Star Wars Fact File 5 (BES3, Bespin)
• Alien Anthology
• "Space Beldon" (original article link) on Wizards.com (content now obsolete; backup link)