Liquid Methane Ocean
[ System Creation, Oceans ]
Terrestrial planets and moons in cold orbit may have oceans of liquid methane, ethane and other simple hydrocarbons. Oceans may cover the entire planet, large or small parts or may even be in the form of lakes, seas and rivers at the players choice. The exact details of this have no influence on the statistics.
Advantages
Cost
The cost of an ocean depends on the size of the world:
| World Type | Biomass cost for oceans |
|---|---|
| Small moon | 1 bio |
| Medium moon | 3 bio |
| Large moon, small planet | 7 bio |
| Medium planet | 19 bio |
| Large planet | 37 bio |
