How Did Lakes Form on Titan’s Surface?

Titan’s lakes are reminiscent of karstic landforms that we have on Earth, which form when dissolvable rock (like limestone) erodes as groundwater and rainfall move through it, resulting in sinkhole-like depressions.

Liquid hydrocarbons on Titan play a similar role to water on Earth: the hydrocarbons have caused erosion of dissolvable rock, resulting in a vast network of lakes and river-like formations that carry liquid across the moon’s surface. The large lakes stretch hundreds of miles across and several hundred feed deep.

via How Did Lakes Form on Titan’s Surface? | Discovery Blog | Discovery.

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