Questions tagged [cosmology]

The tag has no usage guidance.

9 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
5
votes
0answers
79 views

Did breaking of discrete symmetries play a role in the development of steady-state cosmology?

If you look at the original pair of 1948 papers[Bondi 1948,Hoyle 1948] that proposed the steady-state model, it's clear that they knew they were throwing out a lot of cherished principles of physics. ...
4
votes
0answers
118 views

Did Paul Dirac believe in multiple universes?

Prominent physicist Paul Dirac proposed a hypothesis that said that constants and laws of physics would evolve with time into different constants and laws of nature. This hypothesis was used by ...
2
votes
0answers
89 views

Thomas Kuhn and the Relationship between Astronomy and Cosmology

In The Copernican Revolution, Thomas Kuhn states that "...only the Western civilizations which descend from Hellenic Greece have paid much attention to the appearance of the heavens in arriving at [...
2
votes
0answers
61 views

Did Wheeler ever propose the existence of a multiverse containing parallel simultaneous universes?

It is known that the physicist John Archibald Wheeler proposed the existence of a multiverse in the form of a set of cycles of Big Bangs and Big Crunches (Cyclic/Oscillatory Multiverse Model). But I ...
1
vote
0answers
87 views

Did Werner Heisenberg ever agree or propose the existence of some kind of multiverse?

I was watching a video (https://www.youtube.com/watch?v=muJYTeQlvC4) where the director of a videogame company speaks about one of its most successful games. This game is set in a floating city which ...
0
votes
0answers
29 views

Is there a synthetic chart of modern cosmology, showing the dependencies between measurements and laws?

I'm trying to figure out what are the different paths to indirect measurement of things that are out of experimenter reach; for instance, the age of the observable universe, or an estimation of the ...
0
votes
0answers
47 views

How do the latest measurements of the Hubble expansion match the QFT prediction?

From what I read the expansion of the universe predicted by QFT is said to be the worst theoretical prediction in the history of physics. There is also lots of buzz in the astronomy press about the ...
0
votes
0answers
35 views

Did pre-Galilean astronomy inspire Mach's principle?

Was Mach, in his formulation of "Mach's principle," influenced by pre-Galilean astronomy, such as that of Aristotle in On the Heavens, where heavenly bodies influence terrestrial ones?
0
votes
0answers
244 views

Is there any historical mention of Richard Feynman being aware of multiverse theories of cosmology?

The reason I ask is because he talks about the fine structure constant in one of his undergraduate lectures. The reference to its mystery is analogous to all the special constants of nature such as ...