[Remember Titan is insanely cold, so these are not even oceans composed of water. These are liquid hydrocarbon lakes, seas and rivers. Sadly this is a paid article and this is all I can show you now. I'll try to find other info on this. This is really fascinating. Jan]
Our most detailed look yet at the strange lakes of Saturn’s moon Titan has revealed a diverse seascape, similar to Earth’s combination of freshwater rivers and salty oceans.