[TML] Jewelry was Re: Personal Armor Noise

Jerry W Barrington jerry.barrington at gmail.com
Wed May 7 19:27:31 MDT 2008


On 5/7/08 2:26 PM, "Anthony Jackson" <ajackson at iii.com> wrote:

> Bruce Johnson wrote:
>> 
>> Strike 'pretty much'...
>> 
>> ALL elements heavier than Hydrogen were generated in stars or
>> supernovas.

Current estimate is about 25% of the initial mass of the universe was
helium.

> Not quite. All elements heavier than _Lithium_ were generated in stars
> or supernovas. Big bang nucleosynthesis is mostly responsible for
> deuterium, helium, and lithium.

A little tritium and beryllium too, but they will probably all have decayed
by now.

<http://en.wikipedia.org/wiki/Big_Bang_nucleosynthesis>



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