-1
votes
0answers
30 views

Time and space slow down and converge in a black hole [closed]

According to mathematics, the entities of time and space converge into singularity, the same as the mathematical result we achieve when we trace the origin of the universe on paper using math. How far ...
9
votes
3answers
907 views

Can black holes actually merge?

If time stops at the event horizon, can we ever detect two black holes merging? In other words, if you are a short distance away, would you encounter a spherically symmetric gravitational field, or a ...
3
votes
1answer
609 views

Universe Expansion as an absolute time reference

Why we call "constant" to the Hubble constant?, if the universe were really expanding then the Hubble "constant" should change, being variable, smaller and smaller..with "time". Other example/view ...