Artist's conception of Titan's surface (IMAGE)
Caption
Artist's conception of Titan's surface. This moon of Saturn is one of the worlds in the Solar System that most resembles Earth, despite the temperature there reaching -179° Celsius. It is the only place in the Solar System with lakes, but these are hydrocarbon lakes. These molecules, made only of carbon and hydrogen, act like water on Earth, participating in a methane cycle, with rain, river formation and evaporation.
Credit
NASA/JPL/Space Science Institute
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