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Originally Posted by Astrobairn
Going back to the big slam thing, I'm wondering why Michael thinks that matter could never have been so close together. He mentions galaxy collision but they are a different thing. The big bang is baiscally extrapolating the Robertson Walker Metric to a scale factor of zero. It has little to do with colliding galaxies in the current universe. |
The "assumption" it should be scaled to a factor of zero is arbitrary. The fact it is "assumed" to have ever scaled to zero is the issue here, not the formula. Why was that assumption made? If it never scaled to zero to begin with, then you have no way to know that hydrogen was ever the most abundant element in those dust clouds.