Quote:
Originally posted by Phil the Alchemist:
Though, when speaking about amino acids forming under the Earth's conditions, it is impossible for amino acids to form spontaneously with the presence of oxygen. |
Let me pose a condundrum to ya. A riddle if ya will.
You make the assumption that, for all 4.5B years of Earth that we can know that oxygen was a key factor in our atmosphere. (I doubt this can be proven yet for all 4.5B years considering we're only just now able to dig into the mantle and I reckon that a good bit of time has worn off and liquified therein, but I'll at least assume for a long time then.) What if the composition of the atmospheric layers OR the ocean was not the way it is today? I'm not talking about the fusion of oxygen, although I can talk about the creation of oxygen from photosynthesis of plants. Provided such a thing occurred long enough ago to mask over the proof in the rock stratus, the oxygen could have theoretically been created by a world that was completely devoid of fauna but entirely inhabited by flora. Even if the atmosphere did have susceptible amounts of oxygen embedded therein to be a deterrent for life, the oceanic regions could easily have not had the oxygen content that they have no to support the fish.
Pretty much, your logic follows as this: (Lurch can tell me if I'm doing this correctly!)
P1: Amino acids cannot form spontaneously wherever the oxygen content is too high.
P2: Oxygen has been proven to be on Earth for a sufficiently long time.
C: Amino acids cannot form spontaneously on Earth.
The problem with the argument comes down to
when oxygen formed in our atmosphere--after all, it is a minority gas, second to hydrogen--as well as
where if the when was too early. If the events mentioned by P1 and P2 do not overlap in space-time, C cannot be firmly established.
Again, I'm shooting at straws here and pointing out possibility. I have not looked up what's proven out there, though I know a good portion out there of what is proven. I'm may pass as an astrophysicist, but definitely not a geophysicist.
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