B Where did the first universe come from?

  • B
  • Thread starter Thread starter BadgerBadger92
  • Start date Start date
  • Tags Tags
    Universe
AI Thread Summary
The discussion centers on the origins of the first universe, questioning how it came into existence if universes can collide and split. Participants acknowledge that this topic is highly speculative and lacks concrete answers. There is a consensus that current scientific understanding does not provide a valid explanation for the beginning of the universe. The thread concludes with a note that it will be closed due to the lack of serious sources on the matter. Overall, the origins of the universe remain an open and unresolved question in cosmology.
BadgerBadger92
Messages
168
Reaction score
87
TL;DR Summary
Sorry for the noob question:


If universes can collide to make universes and split to make new ones, where did the first universe come from? Do we have any ideas? Any help would be appreciated.
 
Space news on Phys.org
That's a very, very, speculative hypothesis. And no, we have no idea how everything started.
 
  • Like
Likes russ_watters
This is not a valid source for serious discussions, so the thread will be closed.
 
Last edited:
  • Like
Likes russ_watters and Vanadium 50
https://en.wikipedia.org/wiki/Recombination_(cosmology) Was a matter density right after the decoupling low enough to consider the vacuum as the actual vacuum, and not the medium through which the light propagates with the speed lower than ##({\epsilon_0\mu_0})^{-1/2}##? I'm asking this in context of the calculation of the observable universe radius, where the time integral of the inverse of the scale factor is multiplied by the constant speed of light ##c##.
The formal paper is here. The Rutgers University news has published a story about an image being closely examined at their New Brunswick campus. Here is an excerpt: Computer modeling of the gravitational lens by Keeton and Eid showed that the four visible foreground galaxies causing the gravitational bending couldn’t explain the details of the five-image pattern. Only with the addition of a large, invisible mass, in this case, a dark matter halo, could the model match the observations...
Hi, I’m pretty new to cosmology and I’m trying to get my head around the Big Bang and the potential infinite extent of the universe as a whole. There’s lots of misleading info out there but this forum and a few others have helped me and I just wanted to check I have the right idea. The Big Bang was the creation of space and time. At this instant t=0 space was infinite in size but the scale factor was zero. I’m picturing it (hopefully correctly) like an excel spreadsheet with infinite...
Back
Top