Think about it from the thermodynamic perspective.
The chemical formation of methane [biological or nonbiological,
from its hydrogen and carbon constituents...
isn't that an exothermic chemical reaction?
i.e. Heat energy generated.
Space/Science » in reply to Methane in the water plumes of Enceladus.
The chemical formation of methane [biological or nonbiological,
from its hydrogen and carbon constituents...
isn't that an exothermic chemical reaction?
i.e. Heat energy generated.