White Holes
A white hole is a hypothetical region of spacetime which cannot be entered from the outside, although matter and light can escape from it. In this sense, it is the reverse of a black hole, which can only be entered from the outside and from which matter and light cannot escape.
One of the leading theory suggests that white holes are actually very old black holes and all of the material sucked in overtime explodes out when they transform into a white hole. This means that the material in the black hole might not last forever.
When a white hole blows, the material which comes out is not from this universe. Black holes have something called the event horizon and when light or matter enter in the black hole they will not be able to return once they came. When an object passes through a black hole they ended up in the interior of the black hole
It is believed that the object which enters into a black hole cannot return back whereas white holes squirt object out from it. White holes also present on the other side of singularity.
It still fascinating that matter could potentially travel over great distances using these bizarre objects and by distance we simply mean dimensions. It is believed that the Einstein Rosen Bridge Or Wormhole could exist to bridge the gap between the white holes and black holes and it is possible that these bridges lead us to a different side of our universe, by traveling faster than the speed of light.
However, Physicists believed that a wormhole which lets us travel across our own universe would probably be unstable so it is more likely that a white hole may exist in another dimension entirely, and perhaps in a different time.
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