Titan, with a thick atmosphere and a bizarro-world form of weather featuring toxic winds and hydrocarbon rain, is home to a mix of complex chemistry, complete with organic molecules.

土卫六拥有浓厚的大气层和疯狂世界似的气候特征：有毒的风和由碳氢化合物组成的雨水。同时，土卫六海充满着各种复杂的化学成份和有机分子。

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The chemistry of Titan is thought to be similar to that of Earth 4.6 billion years ago and could provide clues to how life first arose on our planet.

BBC: NEWS | Science/Nature | Titan mission 'resounding success'