[universe facts]

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It Rains Liquid Methane On Titan.
What were once believed to be thousand year storms, the methane rain that carves into Titan actually occur annually over Saturn's most well known moon. It so happens that one Titan year is close to 30 Earth years, but that's still far less time than originally believed. The methane rain cuts into the moon's icy surface to create mountains, rivers, and volcanoes.