Saturn’s moon Titan is so large it outsizes the planet Mercury, making it the second-biggest moon in the solar system after Jupiter’s Ganymede Space DailyAcross Titan’s equator, winds have built dunes around 100 metres high and hundreds of kilometres long — but the grains are water ice coated in hydrocarbons that fell out of the moon’s orange atmosphere Space DailyThere is a moon of Saturn where the rain is essentially liquid natural gas, the mountains are made of water frozen so hard it behaves like rock, and the lakes at the north pole contain more combustible fuel than every proven oil and gas reserve on Earth combin ScienceBlog.com
