I Paradox: How can we look back at the Big Bang?

  • Thread starter Thread starter GreenWombat
  • Start date Start date
  • Tags Tags
    Big bang Paradox
Click For Summary
The discussion centers on the paradox of observing light from the early universe, shortly after the Big Bang, despite the light's travel time and the speed limit of light. It clarifies that the Big Bang occurred everywhere, not as an explosion, and that the universe is still expanding, with some galaxies receding faster than light due to the curvature of spacetime. Inflation, a rapid expansion phase after the Big Bang, is debated regarding its implications and whether it can be experimentally verified. Participants express skepticism about inflation's assumptions and the lack of direct evidence for the inflaton particle. The conversation highlights the complexities of cosmological models and the ongoing exploration of the universe's origins.
  • #31
Vanadium 50 said:
These theories are supersymmetric, and we've already found half the particles!
🤦‍♂️
 
Space news on Phys.org
  • #32
Vanadium 50 said:
These theories are supersymmetric, and we've already found half the particles!
I only know bosonic string theory :(
 
  • Haha
Likes vanhees71

Similar threads

Replies
8
Views
3K
  • · Replies 25 ·
Replies
25
Views
3K
  • · Replies 20 ·
Replies
20
Views
2K
  • · Replies 15 ·
Replies
15
Views
3K
  • · Replies 13 ·
Replies
13
Views
5K
  • · Replies 20 ·
Replies
20
Views
1K
  • · Replies 26 ·
Replies
26
Views
4K
Replies
33
Views
3K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 13 ·
Replies
13
Views
3K