Mackay Lacus

{{Short description|Lake on Titan}}

{{Infobox feature on celestial object

|name = Mackay Lacus

|image = 240px

|caption = False-color Cassini radar image of hydrocarbon lakes on Titan (2006), showing Mackay Lacus at upper left.

|type = Lacus

|coordinates = {{coord|78.32|N|97.53|W|globe:titan_type:landmark|display=inline,title}}

|diameter = 180 kmThe USGS web site gives the size as a "diameter", but it is actually the length in the longest dimension.

|eponym = Lake Mackay

}}

Mackay Lacus is the seventh largest of a number of hydrocarbon seas and lakes found on Saturn's largest moon, Titan. The lake is composed of liquid methane and ethane,{{cite book|last1=Coustenis | first1 = A. | last2 = Taylor |first2 = F. W.|title=Titan: Exploring an Earthlike World|url=https://books.google.com/books?id=j3O47dxrDAQC&pg=PA154|date=21 July 2008|publisher=World Scientific|pages= 154–155|isbn= 978-981-281-161-5}} and was detected by the Cassini space probe.

Mackay Lacus is located at the coordinates 78.32°N and 97.53°W on Titan's globe and is 180 km in length.{{cite web| title = Mackay Lacus| work = USGS Astrogeology Science Center| publisher = USGS | url = http://planetarynames.wr.usgs.gov/Feature/14318| accessdate = 2013-12-28}}The USGS web site gives the size as a "diameter", but it is actually the length in the longest dimension. It is named after Lake Mackay in Western Australia.