{{Short description|Lake on Titan}} {{Use dmy dates|date=March 2023}} {{Infobox feature on celestial object |name = Sionascaig Lacus |image = [[File:PIA17470 Titan northern hemisphere.jpg|240px]] |caption = False-color near infrared view of Titan's northern hemisphere, showing its seas and lakes. |type = Lacus |coordinates = {{coord|42.526|S|278.12|W|globe:titan_type:landmark|display=inline,title}} |diameter = 200km <ref>The USGS web site gives the size as a "diameter", but it is actually the length in the longest dimension.</ref> |eponym = [[Loch Sionascaig]] }} '''Sionascaig Lacus''' is one of a number of [[Lakes of Titan|hydrocarbon seas and lakes]] found on Saturn's largest moon, [[Titan (moon)|Titan]].<ref>[https://planetarynames.wr.usgs.gov/images/NP_lakes_low_noboundaries.pdf Map of the liquid bodies in the north polar region of Titan].</ref><ref>[https://astrogeology.usgs.gov/news/nomenclature/two-new-lacus-names-for-titan Two New Lacus Names for Titan] 12 March 2013.</ref> The lake is located at [[latitude]] 41.52°[[South|S]] and [[longitude]] 278.12°[[West|W]] on [[titan (moon)|Titan]]'s globe, and is composed of liquid [[methane]] and [[ethane]].<ref>Coustenis A. & Taylor F. W., Titan: Exploring an Earth like World [https://books.google.com/books?id=j3O47dxrDAQC&pg=PA154 p154-155] (World Scientific, 21 July 2008)</ref><ref>G Vixie, (2015) [http://www.barnesos.net/publications/papers/2015.09.Icarus.Vixie.Sionascaig.pdf Possible temperate lakes on Titan].</ref> The feature is named for the [[Earth]] lake, [[Loch Sionascaig]], in [[Scotland]].

==References== {{reflist}} {{Titan}}

[[Category:Lakes of Titan (moon)]]

{{space-stub}}