reply to post by Illustronic
If the Universe is infinite then what is the reason light cannot reach us beyond ~14 billion light years, it would have the time originating
from before then. Which is why I reject dispersion also.
Fair enough. In fact, the universe is almost certainly finite. But you must understand that the universe we observe is far bigger than 14 billion
light-years in radius. It's about four times that, thanks to cosmic expansion since the Big bang.
I suggest that a finite Universe answers the inadequacy of enough sources to obliterate dark.
But unfortunately it does not, because
Originally posted by nataylor
the very early universe as described by the Big Bang theory was extremely luminous (since all the matter in the universe was condensed into a very
hot, bright space). And since looking deeper into space is like looking back in time, it would seem that even with the Big Bang, the sky should be
bathed in the early light of the universe.
Nataylor is right. Which brings us to...
The source of emitted photon stream and the detection source (us) are receding from each other at a speed greater than c combined, at that
point photons emitted never reach us.
This is, in fact, the reason why we do not see all of the universe. However, it does not eliminate the problem raised by nataylor.
Would that mean; red shift ultimate regression is black?
Of course not – not unless the wavelength were increased to ∞
. But you are now closing upon the correct answer.
If we assume that energy is lost by gravitational forces, radiation energy transfer, or transfer to particle, we now have a finite distance a
photon can traverse. If so, we can define a universal average attenuation length.
Photons, being massless, do not lose energy in a gravity field. Energy transfer 'by radiation' is the same as energy transfer by particle interaction;
the same phenomenon viewed classically and through quantum spectacles. But a photon is never destroyed no matter how much energy it loses; something
else happens to it. And in that something else lies the answer to the riddle. You are very, very close.
edit on 19/4/12 by Astyanax because: I left the 'reply to' line out the first time.