View Single Post
  #30 (permalink)  
Old 13-September-2007, 04:50 PM
Cougar's Avatar
Cougar Cougar is offline
Order of Kilopi
 
Join Date: Aug 2003
Location: The Wild West
Posts: 4,821
Default

Quote:
Originally Posted by DBryan View Post
There is a fundamental difference between the Observable Universe (the universe we see) and the Current Universe (the universe as it is now). The maximum outer limit of the Observable Universe must be expanding at the speed of light !

Any hypothesis that the Current Universe is expanding is a
metaphysical claim (an Unscientific assertion) since the Current
Universe cannot be observed.
This is incorrect. Please check the many explanations in this Q&A thread

Quote:
Originally Posted by DBryan View Post
There seems to be a failure even by senior Cosmologists to properly distinguish between the Current Universe (lets call it the CU) and the Observable Universe (the OU). The CU is the universe as it is now - not as we see it but as it actually is now. The OU on the other hand
is the universe as we see it. Because of the finite speed of light,
when we look out into space we see back through time. The further out
we look, the more 'distorted' must be our view as compared to the CU
(the universe as it is now).
I'm not sure why you think "senior cosmologists" are unaware of this. If you check out this page, I believe you'll realize that they understand the situation much more completely than you.

Quote:
Originally Posted by DBryan View Post
Note that we are talking about the OU which is unlikely to bear any resemblance to the CU.
I would say the CU is likely to look much like the OU. What is your reason for thinking differently?

Quote:
Originally Posted by DBryan View Post
Any hypothesis that the CU is expanding is unscientific since the CU cannot be observed. Any hypotheses about the CU are metaphysical hypothoses - not Scientific hypotheses.
Again, incorrect. Look at that second link again. The little animation is especially illuminating.
__________________
Everyone is entitled to his own opinion, but not his own facts.