According to mathematics, white holes are possible, although as of yet we have found none. - FactzPedia

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According to mathematics, white holes are possible, although as of yet we have found none.

 

According to mathematics, white holes are possible, although as of yet we have found none.


A white hole is a hypothetical region of space-time which can’t be entered from the outside, although matter and light can escape from within.

Basically, it’s the reverse of a black hole.

White holes are theoretical cosmic regions that function in the opposite way to black holes. Just as nothing can escape a black hole, nothing can enter a white hole. 

White holes were long thought to be a figment of general relativity born from the same equations as their collapsed star brethren, black holes. More recently, however, some theorists have been asking whether these twin vortices of spacetime may be two sides of the same coin.

To a spaceship crew watching from afar, a white hole looks exactly like a black hole. It has mass. It might spin. A ring of dust and gas could gather around the event horizon — the bubble boundary separating the object from the rest of the universe. But if they kept watching, the crew might witness an event impossible for a black hole — a belch. "It's only in the moment when things come out that you can say, 'ah, this is a white hole,'" said Carlo Rovelli, a theoretical physicist at the Centre de Physique Théorique in France. 

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