Icy Clouds of Methane High Above Titan

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Icy Clouds of Methane High Above Titan
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NASA scientists have identified methane ice clouds towering high above Titan, Saturn's largest moon. The Cassini orbiter originally spotted the cloud eight years ago, but it was thought to be made of ethane ice, part of a seasonal cap of condensation over Titan's north pole.

"The idea that methane clouds could form this high on Titan is completely new...