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From: Thomas Heger <ttt_heg@web.de>
Newsgroups: alt.astronomy,sci.physics,sci.physics.relativity
Subject: Re: There Is No Edge To The Universe
Date: Mon, 21 Dec 2015 05:45:48 +0100
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Am 12.12.2015 16:16, schrieb Sam Wormley:
>
>> The CMB is well explained as radiation left over from an early stage
>> in the development of the universe, and its discovery is considered a
>> landmark test of the Big Bang model of the universe. When the
>> universe was young, before the formation of stars and planets, it was
>> denser, much hotter, and filled with a uniform glow from a white-hot
>> fog of hydrogen plasma. As the universe expanded, both the plasma and
>> the radiation filling it grew cooler. When the universe cooled
>> enough, protons and electrons combined to form neutral atoms. These
>> atoms could no longer absorb the thermal radiation, and so the
>> universe became transparent instead of being an opaque fog.


Let's assume the 'big-bang' would have been a light-bulb, switched off 
13.8 billion years ago.

The remaining light cooled down to micro-waves and that is now received 
from all direction, since the universe expanded.

And this is actually, what they teach in schools and universities.



TH