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 ...
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 ...
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 ...