[seawolf101]

Uranus is often referred to as an “ice giant” planet: Like the other gas giants, it has a hydrogen upper layer, which has helium mixed in. Below that is an icy “mantle, which surrounds a rock and ice core.

But where does all that methane come from?

[minnesota_bound]

But where does all that methane come from?
From aliens who use it as a rest stop......