Question

Define white holes.(related to space)✌️​

Answer 1

Answer:

A hypothetica Celestial object which expands outward from a space time singularity and emits energy, in the manner of a time reversed black hole.

in general relativity white hole is a hypothetica region of spacetime which cannot be entered from the outside although matter and light to escape from it.

Answer 2

Explanation:

White hole is a hypothetical region of spacetime which cannot be entered from the outside, although matter and light can escape from it.