[Windflier]

"...200 times more hydrocarbons than there is water on the whole of the Earth."

That's a helluva lot of extraterrestrial dinosaurs. /s

[okie01]

That's a helluva lot of extraterrestrial dinosaurs. /s

And, actually, that's a helluva cogent point.

In this case, we have to assume, don't we, that the hydrocarbons appeared as a natural product -- without benefit of giant reptiles or pre-historic ferns?