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Titan is the only world besides Earth known to host stable liquid on its surface. The figure is taken from ESA, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

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Saturn moon Titan has lakes and seas of liquid methane

Titan is the only world besides Earth known to host stable liquid on its surface

Titan possesses a dense nitrogen atmosphere and a weather system based on hydrocarbons rather than water. Surface temperatures of minus 179 degrees Celsius allow methane and ethane to exist as liquids, forming rain clouds, rivers, lakes and vast seas near its polar regions.

Floating Ice on Titan Lakes? — NASA/JPL-Caltech/USGS · Public domain · source

Where this comes from

ESA

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Tags: titan, saturn, methane

Saturn moon Titan has lakes and seas of liquid methane: the short answers

Where does this come from, and can I check it?: Titan is the only world besides Earth known to host stable liquid on its surface. The figure is taken from ESA, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a space fact?: Yes. It sits on the Space shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.