Is the position of matter discrete in universe?
6727
Is spacetime discrete or continuous?
76637
Why aren't particles constantly "measured" by the whole universe?
68425
Electric charge neutrality of the Universe: evidences and theories
75939
Can matter really fall through an event horizon?
81969
What if the universe is rotating as a whole?
76670
Are We Living in a Simulated Universe?
119217
If particles are points, then aren't atoms empty space?
80812
How are the Nine Realms situated in space?
68282
How do people calculate proportions of dark matter, dark energy and baryonic matter of the universe?
134571
Why should a (physical) principle be applicable to different systems in different positions in space and time?
3644
Symmetrical twin paradox in a closed universe
59757
Is a world with constant/decreasing entropy theoretically impossible?
10362
Does the universe have a center?
96775
Einstein's static universe concept
20401
Why doesn't matter pass through other matter if atoms are 99.999% empty space?
61618
Could the missing antimatter lie outside the observable universe?
113659
Why was the universe in an extraordinarily low-entropy state right after the big bang?