Re: Prefered frame of reference

From: Bjoern Feuerbacher (feuerbac_at_thphys.uni-heidelberg.de)
Date: 06/07/04 

Date: Mon, 07 Jun 2004 16:35:34 +0200

Paul Stowe wrote:
> On Sat, 05 Jun 2004 03:58:54 GMT, Sam Wormley <swormley1@mchsi.com> wrote:
>
>
>>Paul Stowe wrote:
>>
>>> OK, what is the source of the CMBR?
>
>
> [Snip or rote passages...]
>
>
>> Ref: http://map.gsfc.nasa.gov/m_uni/uni_101bbtest3.html
>> See: http://map.gsfc.nasa.gov/m_uni/uni_101bbtest3.html
>
>
> OK, now explain this Sam. It's like an old fashion flash
> bulb... A pulse of light propagates from the 'source' which
> is a very short duration event.

No, not necessarily. AFAIK, the emission of the CMBR took about 200,000
years (the atoms did not form all at the same time at different places!).

> Current theory says the
> light however will continue to move outward forever,

"outward"? Huh?

> until
> interacting with something. The light is not the source.
> The CMBR is NOT like the flash bulb analogy, if it were,
> then there would be a 'shell' of light NOT a uniform
> distributed field.

Huh? Why on earth should there be a "shell"???

The plasma filled the *whole* universe. The light is *also* propagating
*inside* the universe. Conclusion: there is light from the CMBR
everywhere in the universe, i.e. a uniform field.

> But, as your parroted reference points
> out (about scatter diffusion of light in air) the air IS
> NOT the source of the light.

How is that relevant here?

> The bottom line is, we have
> an observable, apparently, uniform isotropic field of
> photons with a spectra of a 'black body'. This field is
> volumetric uniform, meaning it has a photonic density.

What does "photonic density" mean?

[snip]

Byem,
Bjoern

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