All Questions
4
questions
0
votes
1
answer
499
views
Has it been proven the fine-structure constant (FSC) changes with time?
I have heard this claimed over and over, even that the FSC was 1 at the Big Bang. Is there any actual consensus among scientists that this is so?
- 804
1
vote
0
answers
29
views
Could our universe still work if either one of $c$, $h$, $q$, $G$, permeativity, permeability or $H_o$ were slightly different? [closed]
Could our universe still work if either one of c, h, G, q, permeativity, permeability or Ho were slightly different? Also all of them are thought of as being constants for the whole history of the ...
- 2,255
0
votes
2
answers
138
views
Light speed after the Big Bang
We know that immediately after the Big Bang space was opaque to light. As space expanded, light could travel. However I would think that as space expanded at some de sites the light would be much ...
- 1
5
votes
1
answer
813
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Additional merits to Wetterich's "Universe without expansion" compared to standard cosmological redshift interpretation?
A recent news item in Nature promotes Wetterich's preprint "A Universe without expansion". All sounds very exciting but hard to judge for non-experts.
As I understand from the Nature's article, the ...
- 4,453