It'll have air, shielded to look like more liquid methane.
The wetness in this picture is not fallen rain, but liquid methane.
The features are likely carved in water ice by liquid methane or ethane.
The worlds circling one star are covered either in molten rock or liquid methane.
In a highly refined form, liquid methane has been investigated as a rocket fuel.
They have yet to detect evidence for lakes of liquid methane, as hypothesized.
The pictures sent while parachuting showed that there were rivers, probably of liquid methane.
That results in more liquid methane accumulating in the north.
He was also told that the aircraft was powered by "liquid methane."
The lake bed at the landing site, though dry now, may be underlain with a reservoir of liquid methane.