Thanks for a detailed reply. My comment wasn't trying to be snarky, I really would like to know a reputable source for this statement. As far as I understand i

Thanks for a detailed reply. My comment wasn't trying to be snarky, I really would like to know a reputable source for this statement. As far as I understand it's much easier for us to know distribution of different elements that it is to know distribution of different molecules in the universe. I assumed that it wouldn't be that popular given that it does not take part in a nuclear fusion.