All Questions
Tagged with big-bang-theory redshift
8
questions
3
votes
1
answer
333
views
Redshift distance proportionality at high Z and need for "mighty mouse" galaxies?
Allegedly supported by some evidence from the new James Webb space telescope physicist Eric Lerner has written an article that have garnered some attention. He writes that:
"Put another way, the ...
- 457
6
votes
1
answer
457
views
What parameters of the Big Bang model will have to be adjusted to account for JWST's observations of highly redshifted galaxies?
There are a lot of claims, on YouTube at least, that the James Webb space telescope have found too many to old/highly redshifted normal looking galaxies to fit easily into the Big Bang model.
One such ...
- 457
1
vote
1
answer
111
views
Shouldn't the estimate of the universe's age be higher, not lower, after the attractive strength of gravity is taken into account?
From 'Fundamentals: Ten Keys to Reality', by Frank Wilczek :
"Running the movie of cosmic history backward in our minds, we found the galaxies all coming together to meet at a definite time. ...
- 5,177
5
votes
1
answer
1k
views
Redshift quantization
A full disclosure to begin with: I'm a PhD student in mathematics and while I understand most of standard cosmological-astronomical terms and I've followed a one semester course on cosmology, I don't ...
- 316
2
votes
1
answer
508
views
Future redshifting and effect on the 'pitch' of CMB radiation
After discovering this question exploring the sound of a blackbody, I started wondering about the sound of the Cosmic Microwave Background radiation from the Big Bang, specifically what the current ...
- 123
0
votes
2
answers
523
views
Why Milky Way and Andromeda are being drawn together if there was 'Big Bang'?
Scientists used to use following reasoning:
most galaxies are red-shifted $\implies$ there was a 'Big Bang'
Why this is being considered valid since not every galaxy has such property?
5
votes
1
answer
238
views
Might the universe be really small yet seem infinite from spherical reflections? [closed]
if a single source of light quite small, was placed somewhere inside a completely reflective sphere, quite large, what would the reflections look like from the light source's point of view within that ...
- 151
5
votes
2
answers
341
views
Is there another explanation, apart from the doppler effect, for the redshift observed in distant galaxies?
On episode 10 of the original Cosmos TV series, Carl Sagan mentions that some scientist don't agree that the redshift observed in distant galaxies is evidence of the big bang, stating that probably ...
- 2,695