How could the universe be infinite (what is meant by that)?
63748
What does it mean that the universe is "infinite"?
41262
Does the concept of infinity have any practical applications?
2742
Is infinity a number?
155340
Is Nothing actually imaginable?
37443
How can something happen when time does not exist?
21670
Why does an infinite limit not exist?
153935
A weaker Axiom of Infinity?
51901
Ambiguity in applying Newton's shell theorem in an infinite homogeneous universe
3103
How do we know the universe is expanding, and not that its contents are shrinking?
65316
Explaining Infinite Sets and The Fault in Our Stars
36281
A set is infinite iff it is equivalent to a proper subset of itself
24445
How can an infinite universe expand?
54262
When are infinities okay?
94778
Why can't I do this to get infinite energy?
65985
How can the universe by infinite when it has known start and finite time since?
112411
What happens when a photon reaches the "edge" of the universe?
118573
Why is the Axiom of Infinity necessary?