How Can the Universe Be Bigger Than It is Old?
5930
Why is the observable universe so big?
82441
Physical laws prior the big bang (quantum fluctuations)
73729
Calculating the age of the Universe now and 30 billion years from now
72416
The universe appears to have a lower bound in the time dimension, why not an upper bound?
25938
Before the Big Bang
85665
Schwarzschild metric in expanding Universe
2983
Shape of the universe?
22682
If everything in the universe doubled in size overnight, would it be noticeable?
99374
Can we observe an edge of the universe?
139949
Looking out into the universe means looking back in time - how does that work?
12992
Why did the universe not collapse to a black hole shortly after the big bang?
21084
Size of the universe
43888
Age of universe?
68188
Are scientists missing the point with distant cosmic objects, or is it just me?
51901
Ambiguity in applying Newton's shell theorem in an infinite homogeneous universe
132889
Why does string theory have such a huge landscape?
2253
If the universe is expanding, what is it expanding into?