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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 midly toxic to human lungs.[1]

Behind the scenesEdit

Rethen first appeared in the 1980 movie Star Wars: Episode V The Empire Strikes Back , the second installement in the original trilogy of Star Wars.[2] 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[1] that was released on September 22, 2015.[3]


Notes and referencesEdit

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