Tui Regio (located at 20°S, 130°W[1]) is a region on Titan, the Saturnian moon, in the southwest corner of Xanadu,[2] named after Tui, a Chinese goddess of happiness, joy and water.
[1] Tui appears to lack the erosion channels that mark other highland regions on Titan, suggesting it may be geologically young.
[3] Patterns resembling lava flows have also been observed, suggesting cryovolcanism.
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