Questions tagged [early-universe]

Questions regarding the universe shortly after its formation, up to the CMB or even as far as the formation of the first galaxies

2 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
1answer
161 views

Could the Universe really be 12.5-13 billion years old?

My initial reaction is that "this must be wrong" and apparently that's a lot of people's initial reaction according to the article. https://www.nbcnews.com/mach/science/universe-may-be-billion-years-...
1
vote
0answers
45 views

Question about finding energy density of a fermionic-bosonic gas

We know that energy density is given by this formula: $$u = \frac{1}{V}\int_0^\infty\epsilon_pf(\epsilon_p) g_s V/h^3 4\pi p^2 dp$$ Where $\epsilon_p=pc$ for relativistic particles. also $f(\...