How did temperature exist at the moment of Big Bang?
11950
If temperature is dependent on mass, how did the early universe have a temperature?
25938
Before the Big Bang
40593
Why the CMB has not been dispersed so far?
35204
Where does CMB come/emit from?
51042
How is it possible to come to a conclusion that Universe is a result of the Big Bang while we aren't able to observe the entire Universe?
12992
Why did the universe not collapse to a black hole shortly after the big bang?
96775
Einstein's static universe concept
97088
Why can we see the cosmic microwave background (CMB)?
134905
What was the entropy of the universe at the time of the Big Bang?
1542
Why is there no absolute maximum temperature?
12608
Is it possible that there are still gravitational waves of the big bang?
37360
How does temperature relate to the kinetic energy of molecules?
68684
Age of the CMB: How do we know?
103492
If the Big Bang started in a state of low entropy then shouldn't the Big Crunch be in a state of low entropy also?
37399
The temperature of an electron
137102
Is it theoretically possible to reach $0$ Kelvin?
18257
How can interstellar space have a temperature of 2-3K?