The lakes and seas on Titan aren't full of water. Instead, they brim with liquid hydrocarbons, such as methane and ethane. These hydrocarbons don't freeze in the moon's average surface temperature of minus 180 degrees Celsius.
The Extraterrestrial Seas Of Titan
Key Facts In This Video
Titan's hydrocarbon seas are named after mythical creatures. 00:16
Nearly all of the liquid on Titan is located in the moon's northern hemisphere. 00:43
The largest of Titan's lakes are about 50 km across. 00:54
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