On Fri, Jan 17, 2014 at 9:55 PM, meekerdb <meeke...@verizon.net> wrote:
> On 1/17/2014 3:13 PM, LizR wrote:
> Indeed it would be very strange, perhaps verging on miraculous. I believe
> just the nuclear resonance discovered by Hoyle alone is already incredibly
> fine tuned, after which we have the amazing properties of carbon and water,
> and the cosmological flatness and god (ahem) knows what else.
> Hoyle predicted that there had to be an excited state of C^12 at 7.7Mev in
> order to produce the observed abundance of carbon. It was observed at
> 7.656Mev. But it was shown by Livio, M. et al. (1989). "The Anthropic
> Significance of the Existence of an Excited State of C12." Nature 340,
> 281-284, that essentially the same amount would be produced by a resonance
> between 7.596Mev and 7.716Mev. Even more would be produced with a lower
> resonance down to 7.3367Mev, the difference between Be^8 + He^4 and C^12.
> And carbon sufficient for life would be produced up to 7.933Mev. Whether
> an 8% range is fine-tuned or not, I don't think it's "incredibly
It becomes incredible when one considers the 10 - 20 other parameters that
similarly had to be within a narrow range.
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