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Re: Background radiation levels



now if you want an interesting view on early universe formation, read Stephen 
Hawkings' "A Brief History of Time"


On Mon, 11 Dec 95, rkathren@beta.tricity.wsu.edu (ronald kathren) wrote:
>Conceptually, Dale is on target, but the problem is a little more complex
>than one might think.  There are likely radioactive species produced at the
>time of formation of our earth (including the 4n + 1 (Neptunium) series that
>have, for all practical purposes, decayed away by now.  The presence of
>these nuclides would increase the dose rate.  But detrmining what was
>present tens of millions of years ago might well be impossible.  
>
>Also, I take exception to the statement that half-lives and decay schemes
>are 'pretty random'.  Reference to any nuclear physics textbook will reveal
>the well established rules governing nuclear decay.

>
>
>
******************************************************************
paul charp  (pcharp@ix.netcom.com)

"Imagination compliments knowledge"
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