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发帖数: 330 | 1 Wed Jan 3, 2:35 PM ET
PARIS (AFP) - Lakes of methane have been spotted on Saturn's largest moon,
Titan, boosting the theory that this strange, distant world bears beguiling
similarities to Earth, according to a new study.
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Titan has long intrigued space scientists, as it is the only moon in the
Solar System to have a dense atmosphere -- and its atmosphere, like Earth's,
mainly comprises nitrogen.
Titan's atmosphere is also rich in methane, although the source for this
vast store of |
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