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Re: Jonathan Scott is Right




How, might I be so bold as to ask, did this manage to get cross
posted to aus.religion?

arromdee@jyusenkyou.cs.jhu.edu (Ken Arromdee) writes:

>In article <19950620.140656.778@vnet.ibm.com>,
>Jonathan Scott <jonathan_scott@vnet.ibm.com> wrote:
>>It turns out that if you claim that you are standing still and it is
>>the universe which is rotating, the gravitational rotational field
>>of the universe causes things to move in strange ways which
>>correspond exactly to the Newtonian centrifugal and coriolis forces
>>experienced in a rotating frame of reference.

>I'm a little doubtful here.  If you were standing still and the universe
>rotating, distant objects would be moving at faster than the speed of light.

Sorry: incorrect conclusion.
Once you have a rotating frame of reference all sorts of unexpected
things can appear to happen.
You must use the field equations of general relativity, for a start.
And defining the "speed" of distant objects is not so simple as you
might think, since the radial coordinate does not correspond, at large
values, with your intuitive idea of "distance".

>--
>Ken Arromdee (email: arromdee@jyusenkyou.cs.jhu.edu)

>Romana: "But he had such an honest face!"
>Doctor: "Romana!  You can't be a successful thief with a _dis_honest face!"

Ken Smith
-- 
Dr Ken Smith  <kgs@maths.uq.oz.au> | "God, we know you are in charge, but why
Department of Mathematics,         |  don't you make it slightly more obvious?"
The University of Queensland,      |        Archbishop Desmond Tutu, 1990
St Lucia, Qld. 4072.  Australia.   |   (address to students at at West Point)


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