An oasis of liquid methane has unexpectedly been discovered amid the tropical dunes of Saturn's moon Titan, researchers say.
This lake in the otherwise dry tropics of Titan hints that subterranean channels of liquid methane might feed it from below, scientists added.
Titan has clouds, rain and lakes, like Earth, but these are composed of methane rather than water. However, methane lakes were seen only at Titan's poles until now — its tropics around the equator were apparently home to dune fields instead.
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