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Oxygen was a gas that many species in the galaxy breathed to survive. Notable exceptions included the Kel Dors,[1] the Gand,[2] and the Morseerians.[3] Planets with oxygen-rich atmospheres, referred to as "Type I atmospheres",[4] included Naboo, Tatooine, and Coruscant, among many others.[source?]


While oxygen presumably appears on nearly all inhabited planets, the following is only a list of sources in which oxygen is specifically mentioned:


Notes and references[]