What lies at the very edge of the expanding universe?
99374
Can we observe an edge of the universe?
64734
Distribution of Dark Matter around galaxies
102370
At what speed does our universe expand?
43888
Age of universe?
8077
Photons in expanding space: how is energy conserved?
112411
What happens when a photon reaches the "edge" of the universe?
141317
How would it be to look at the sky if the earth were near the edge of the universe?
21084
Size of the universe
43309
What exactly is infinity?
119336
Zero energy universe
17899
What lies beyond the Sedenions
84049
Where does matter go after reaching singularity in uncharged black holes?
110030
Superluminal expansion of the early universe how is this possible?
29994
Why are some galaxies flat?
43998
Immediately after the Big Bang, was the universe in a state of extremely low or extremely high entropy?
29399
Why does inflation (the inflaton field) push Omega down closer to zero (flatten the universe)?
152130
Maximum size of the observable universe?