Tui Regio
{{Short description|Region on Titan}}
{{Infobox feature on celestial object
|name = Tui Regio
|type = Regio
|coordinates = {{coord|20|S|130|W|globe:titan_type:landmark|display=inline,title}}
|eponym = Tui
}}
Tui Regio (located at 20°S, 130°W{{cite web| url=http://www.lpi.usra.edu/meetings/lpsc2006/pdf/1082.pdf| title=Titan: Nomenclature System and the Very First Names For One More World| first=T. C.| last= Owen|author2=K. Aksnes |author3=R. Beebe |author4=J. Blue |author5=A. Brahic |author6=G. A. Burba |author7=B. A. Smith |author8=V. G. Tejfel | publisher=Lunar and Planetary Science XXXVII| date=2006| format=PDF}}) is a region on Titan, the Saturnian moon, in the southwest corner of Xanadu,{{cite web| url=http://planetarynames.wr.usgs.gov/images/Titan_comp.pdf| title=Titan map| format=PDF| publisher=USGS}} named after Tui, a Chinese goddess of happiness, joy and water. Tui appears to lack the erosion channels that mark other highland regions on Titan, suggesting it may be geologically young.{{cite web| url=http://www.planetary.org/blog/article/00000732/| title=Peeking Through the Haze: Titan's Surface, part I|date=October 12, 2006| first=Brad| last= Thomson}} Patterns resembling lava flows have also been observed, suggesting cryovolcanism.{{cite journal| url=http://www.agu.org/pubs/crossref/2006/2006GL026843.shtml| journal=Geophysical Research Letters| volume= 33| pages=L16204| doi=10.1029/2006GL026843| date= 2006| title=Cassini observations of flow-like features in western Tui Regio, Titan| first=Jason W.| display-authors= 8| last= Barnes| author2=Robert H. Brown| author3=Jani Radebaugh| author4=Bonnie J. Buratti| author5=Christophe Sotin| author6=Stephane Le Mouelic| author7=Sebastien Rodriguez| author8=Elizabeth P. Turtle| author9=Jason Perry| author10=Roger Clark| author11=Kevin H. Baines| author12=Phillip D. Nicholson| bibcode=2006GeoRL..3316204B| issue=16| doi-access=free}}