Theory argues that we are living inside a black hole
Talking about the Big Bang is nothing new. Most of the scientific community agrees that the universe began at a hot, dense infinitesimal point known as uniqueness. Coincidentally, a black hole is also based on this definition, opening possibilities for some physicists to believe that they may be the origin of new universes.
The most widely accepted theory about black holes is that they are formed from the death of a massive star, which after a gravitational collapse ends its mass concentrated at an infinitesimal point from which not even light can escape. Exactly what is inside the hole is unknown, but the boundaries that make one exist are known as the event horizon.
This limit defines where it would no longer be possible to get rid of the forces of attraction generated by the hole. As it also absorbs light, an opaque region is formed, which does not allow the center to be seen, in this case the singularity. Importantly, when matter falls into a hole, it is attracted quickly, but as it approaches the center its velocity decreases more and more.
Returning to the Big Bang for the first trillionth of a second after the explosion, the universe expanded incredibly fast, but over time that velocity slowed. Not in exactly the same way, but doesn't this process closely resemble the event horizon of a black hole?
A black hole in our universe has three dimensions, but its event horizon has only two dimensions. That is, if our universe really is an event horizon, it would have to be generated by a black hole in another four-dimensional universe.
We have no ability to calculate what happens in the singularity, for the laws of physics, as we know them, are limited to the beginning of the event horizon. When matter is absorbed by a black hole, the event horizon encodes this information.
We can imagine that it exists in line with the event horizon, with its area having the size necessary to contain all the matter that has fallen into it since its formation, and that could be our own universe.
Although the idea seems to have come up with the script for a science fiction movie, it was researchers at the University of Waterloo who raised that possibility in 2014. According to The Perimeter Institute, one of the big problems with the most widely accepted theory is that “ The Big Bang hypothesis shows our relatively understandable, uniform, and predictable universe emerging from the destructive insanity of the physics of a singularity. It seems unlikely. ”
Extremely simplified, we would live in a universe that exists within a black hole. This would imply that within the black holes we know there were other universes, and so on. Until we can learn more about these amazing regions of space, theories like this remain a real possibility. And the big question is, what would those other universes look like?
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