Must the origin of the universe be non-physical?
113659
Why was the universe in an extraordinarily low-entropy state right after the big bang?
95295
Is the Universe Past-Eternal?
79098
Why are extra dimensions necessary?
65256
What is the origin of non-conservative force?
130124
Is it possible to learn about an event that occurred outside of your observable universe?
27178
Can we simulate the whole universe in computer?
75070
Will the CMB eventually recede outside our observable universe?
73937
What is meant when it is said that the universe is homogeneous and isotropic?
103920
Supersymmetry vs multiverse
15502
Does non-mass-energy generate a gravitational field?
25806
Should multiverse theories be rebranded as meta physics?
67531
Universe being flat and why we can't see or access the space "behind" our universe plane?
68399
Do the laws of physics work everywhere in the universe?
70008
Virtual Particles real? Virtual particles create a universe?
43998
Immediately after the Big Bang, was the universe in a state of extremely low or extremely high entropy?
76670
Are We Living in a Simulated Universe?
51901
Ambiguity in applying Newton's shell theorem in an infinite homogeneous universe