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Tython was a planet located in the galaxy's Deep Core and shrouded in myth. Some Jedi scholars made a case for Tython as the location of the Jedi Order's first temple alongside other candidate worlds, such as Ahch-To, Coruscant, Jedha, and Ossus. During the Galactic Civil War, Doctor Chelli Lona Aphra led Darth Vader to Tython's Meridional Ice Cap to mislead him as to the location of the Rebel Alliance's main base, which was actually on the Outer Rim planet Hoth.

Tython was a terrestrial planet[3] in the Tython system[2] of the Deep Core.[1] Known areas on its surface included the Meridional Ice Cap.[3]