From: Ray Dickenson <r.dickenson.nul>
Date: Wed, 25 Aug 2010 13:30:38 +0100
Archived: Wed, 25 Aug 2010 08:46:22 -0400
Subject: Re: Aliens May Be Thinking Machines


>From: William Treurniet <wtreurniet.nul>
>To: post.nul
>Date: Tue, 24 Aug 2010 10:41:43 -0400
>Subject: Re: Aliens May Be Thinking Machines

<snip>

>>>http://tinyurl.com/34obuge

>To quote the article:

>"Dr Shostak says that artificially intelligent alien life would
>be likely to migrate to places where both matter and energy -
>the only things he says would be of interest to the machines -
>would be in plentiful supply. That means the Seti hunt may need
>to focus its attentions near hot, young stars or even near the
>centres of galaxies."

<snip>

A late realization for Shostak:

Isaac Asimov calculated - "It is nine times to eighty one times
more likely that intelligence has arisen earlier in the central
region of our galaxy" - basically because the class II stars of
the central region are composed of older, recycled matter
necessary for organic life.

To confirm that, Hyron Spinrad found the metal content of stars
- which indicates age of star generation - increases towards
galactic centers. See 'Supermetallicity in nearby Galaxies' 1970
QrtlyJrnl of Royal Astronomical Society.

Nb. 'Metal' to astronomers is anything heavier than hydrogen and
helium - i.e stuff that has been manufactured inside stars.

Possible reasons for that long delay by SETI? Maybe try UFO
Updates posts on "SETI's real objectives?"

www.ufoupdateslist.com/2008/may/m01-002.shtml

and

www.ufoupdateslist.com/2008/may/m06-001.shtml


Cheers,

Ray D



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