# OT - Let's Hear it for Global Warming!!

Mark & Juanita wrote:

I dunno, that's a pretty dark matter.
EdR
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With a match, it makes light work of the problem.
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Sean Carroll for one.
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LDosser wrote:

In what paper did Sean Carroll offer a mathematical proof that spacetime is flat?
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The Hillsboro Argus
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LDosser wrote:

Do you have someting peer-reviewed?
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Nope. Heard it in a lecture.
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LDosser wrote:

Are you sure you understood correctly? Carroll seems to accept General Relativity, which does not allow flat spacetime in a real universe.
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Yeah, well. that's easy to explain. Most people live in a 'complex' univers -- part imaginary -- so the arbitrary restrictions of a 'real' universe don't apply.
*GRIN*
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Space, not space-time. And it's an approximation.
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LDosser wrote:

Yes, it is an appproximation and it is one which is not valid when computing the orbit of Mercury.
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What use is the orbit of Mercury to a cosmologist?
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It was used to "prove" the validity of Einstein's Theory of General Relativity. GR is quite useful for cosmologists. ;-)
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It was used to "prove" the validity of Einstein's Theory of General Relativity. GR is quite useful for cosmologists. ;-)
----------------------------------------------------------------------- It's all relative.
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LDosser wrote:

Do you really care or are you just making conversation?
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That seemed to be Your motive.
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LDosser wrote:

Nope, my motive was to point out that the orbit of Mercury is inconsistent with the flat universe that you asserted to be the case. But my impression of your motive is that you are trying to see how big a smartass you can be.
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You'd be wrong.
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On Thu, 14 Jan 2010 02:26:19 -0800, LDosser wrote:

--
Intelligence is an experiment that failed - G. B. Shaw

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On Thu, 14 Jan 2010 12:13:09 -0600, Larry Blanchard

But what a lovely slope.
Mark
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