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From: Chris Ho-Stuart <hostuart@fit.qut.edu.au>
Newsgroups: alt.fan.uncle-davey
Subject: Re: Hello T.O.
Date: Fri, 19 Dec 2003 05:38:24 +0000 (UTC)
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In talk.origins Dr. Jason Gastrich <news@jcsm.org> wrote:
> John Harshman wrote:
>
>> So how far are you willing to take this? Did God create the world 6000
>> years ago with light on its way here from supernovae that never
>> actually happened?
>
> Light in transit is one theory. I prefer the theory that light is not a
> constant and the speed of light has slowed.
A very neat disproof of that notion is the calculation of the
distance to SN1987A -- the supernova in the Large Magellanic Cloud.
It is surrounded by rings, which were already there before supernova.
The rings are about 1.3 light years across. We know this, because
of how long it took for the light from the supernova to reach the
rings. We also know how big they are appear in the sky.
From this a simple trignometic calculation shows that the
supernova is 169,000 light years away; it exploded 169,000
years ago.
If the speed of light was faster way back when, then the
ring would be correspondingly LARGER, and hence the
supernova further will be further away.
I discussed this in a post to TheologyWeb recently.
<http://www.theologyweb.com/forum/showthread.php?s=827b33c184106753d9e466ef90b13dea&threadid=14656>
More details and references can be found there.
Chris
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