Why does the temperature of the early Universe decrease as it expands?
73935
Why the temperature is getting lower when the universe is expanding
102370
At what speed does our universe expand?
2966
Lowest temperature possible in the universe?
51361
How does the Hubble parameter change with the age of the universe?
144945
What is the evidence for Inflation of the early universe?
28543
How does gravity increase (or, at least, not-decrease) entropy?
15538
If the Universe is expanding, how is that galaxies run into each other?
85665
Schwarzschild metric in expanding Universe
95946
What causes the expansion of space?
1613
Is temperature in vacuum zero?
60364
Universe Expansion as an absolute time reference
12992
Why did the universe not collapse to a black hole shortly after the big bang?
95879
Other explanation for cosmological redshift?
113304
Universe expands ... compared to what?
81190
Why does the blackbody radiate even at thermal equilibrium?
95674
Expansion of the Universe, will light from some galaxies never reach us?
21246
Colder surface radiates to warmer surface