17. Is there really such a thing as a white hole? (A K2S Question)

From The Space Library

A scientist named Roy Kerr in the 1960s postulated that a rotating massive star could collapse into a black hole with a rotating ring of neutrons in place of a singularity—a Kerr black hole. If no singularity or concentration of mass formed, he thought you might be able to travel right through a black hole without being crushed by gravity and exit through something called a white hole at the other end. A white hole would then represent an outflow of matter with negative energy at a different location in our Universe or another universe. But once again, our limited understanding of the form matter takes within a black hole does not allow us to definitively show this to be a real possibility. It does, however, make for some really great science fiction and Hollywood movie plots by writers who can use their imaginations to take you to distant parts of our unexplored Universe.

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Answer provided by Jim Zebrowski

Question and Answer extracted from the book Kids to Space - by Lonnie Schorer

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