It’s Raining CH4

The sky is overcast, hazy and orange, there’s a light wind. It’s a tad chilly too, -170°C. Water’s frozen as hard as steel. And yet it appears to be raining. Large globules of liquid slowly float like snowflakes to the surface.

We are ofcourse not in some bizarre and crazy sci-fi TV series, but on the surface of Saturn’s moon, Titan.

Saturn's Rings, the small moon Epimetheus and Titan

Titan’s a pretty exciting place. It’s the only moon in the entire Solar System with an appreciable atmosphere (it’s thicker than the Earth’s!) and it’s bigger than the planet Mercury! Continue reading