Mysterious 'lakes' on Saturn's moon Titan

Apart from Earth, Titan is the only body in the solar system known to possess surface lakes and seas, which have been observed by the Cassini spacecraft. But at Titan's frigid surface temperatures -- roughly minus 292 degrees Fahrenheit (minus 180 degrees Celsius) -- liquid methane and ethane, rather than water, dominate Titan's hydrocarbon equivalent of Earth's water.

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