[TML] Jewelry was Re: Personal Armor Noise

[Jerry W Barrington]

On 5/7/08 3:32 PM, "Greg Nokes" <greg at nokes.name> wrote:

> On May 7, 2008, at 12:30 PM, Knapp wrote:
> 
>> On Wed, May 7, 2008 at 10:18 PM, Joseph Paul <josephnjody at sbcglobal.net
>>> wrote:
>>> 
>>>> Kelly St.Clair wrote:
>>>> 
>>>>> Pretty much every atom heavier than helium - including the carbon
>>>>> that
>>>>> makes up both diamonds and us - was, at some point, in the
>>>> heart of a star.
>>>> 
>>>> Actually, I think the stuff actually in the heart of the star
>>>> generally
>>>> stays there; what escapes is mostly outer layers.
>>> 
>>> Do we have stars that go boom and pretty much completely unravel ie
>>> leave no
>>> core? Where is the Fe layer in a star?
>>> 
>>> If stellar fusion only goes up to Fe how do we get the elements
>>> heavier than
>>> that?
>> 
>> My understanding was from nova and supernova. Is that correct?
> 
> Yeah - I always was under the impression that when a star pop's the
> pressures created in the boom create the heavier elements.

As Leonard said, that blast of the explosion causes a lot of fusion.  Also,
lots of stuff going on in the explosion releases *lots* of neutrons, which
can then be captured by other atoms.  This can lead to all sorts of
elements, with various decay chains.