Rethen

Rethen was the predominant gas in the atmosphere of the gas giant Bespin. It had a faintly sweet smell, comparable to that of pancakes drenched with syrup, and was only mildly toxic to human lungs.The Empire Strikes Back: So You Want to Be a Jedi?
==Behind the scenes==
Rethen first appeared in the 1980 original trilogy film, Star Wars: Episode V The Empire Strikes Back. However, it was first identified as such in Adam Gidwitz's The Empire Strikes Back: So You Want to Be a Jedi?, a retelling of the movie that was published in 2015.
==Appearances==
*The Odyssey of Star Wars: An Epic Poem 
* 
*The Empire Strikes Back: So You Want to Be a Jedi? 
==Notes and references==
Category:Gases