If we look at Earth from space, our solar system appears to be surrounded by billions of stars in the Milky Way. But if we look even deeper, can we find evidence that we’re in something even more amazing, like a black hole?
Black holes are places in the universe where gravity is so strong that it distorts the time and space around it; Once inside, nothing – not even light – can escape.
In one scenario, a black hole could have swallowed the earth a long time ago. But if that were to happen, gravity would be catastrophic, said Gaurav Khanna, a black hole physicist at the University of Rhode Island.
Will time slow down?
When Earth approaches the black hole, time slows down. And depending on the size of the black hole, matter can be stretched into spaghetti-like shapes. Khanna said, even though the planet survived the process “pasta” If this happens, the Earth will be bound by a small, dense singularity, where it will be consumed by the pressure and temperature of an immeasurable gravitational force.
A black hole is so compact that nothing can escape its gravity, not even light.
A black hole is so compact that nothing can escape its gravity, not even light.
Therefore, we can rule out the possibility that a black hole swallowed Earth at some point in its history. Khanna says, it will be erased in an instant. But there is another way for the Earth to end up in the belly of a black hole: He may have formed there.
Khɑnna says: “A black hole is very similar to the Big Bang in reverse… The calculations seem similar. While a black hole collapses to a very small, dense point, the Big Bang explodes from such a point.”
One theory is that the first is the singularity of a black hole in the larger parent universe. the dense center is compressed and compressed, “until it somehow explodes and a newborn universe forms inside the black hole.”
This theory, known as Schwarzschild Cosmologysuggesting that our universe is currently expanding inside a black hole that is part of the parent universe.
Can universes exist within universes?
In theory, this scenario means universes could exist within universes, like Russian dolls, and coming back through a black hole – a possibility that might be impossible, since light can’t even make the reverse trip – will unlock realms. unknown, Khanna said. .
However, this theory can hardly be proven; nothing can come up through the event of a black hole.
hooked if Earth is in a black holeexperts have several estimates of the size of the space chasm.
Scott Field, Associate Professor of Mathematics at Massachusetts Dartmouth College, USA, said: “If we are in a black hole, it must be extremely large. The Earth is not just crammed into a planet-sized black hole or even a solar system-sized black hole. If so, scientists will notice.”
There will be observable signs of the black hole rotating. Or, we’ll see subtle distortions caused by extreme gravity – like time slowing down and matter stretching…
For example, if Earth existed in an Earth-sized black hole, humans would notice the effects of tidal forces, such as spaghetti phenomenon And slow down time, as they move from one point to another on the globe, said Field, who works on gravity modeling. simulations, including black hole collisions.
So any black hole that Earth calls home must be very large, the size of the universe, and so vast that we can’t travel far enough or fast enough to detect gravitational distortions, Field said.
Khanna said, from inside a black hole in the universe, the “earth” “there would be no way of knowing that another parent universe existed”. We won’t know. So, to say the least, finding our universal predecessor will be difficult. However, “would be lovely” if this assumption is true.
Post source: Tien Phong
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If we look at Earth from space, our solar system appears to be surrounded by billions of stars in the Milky Way. But if we look further…
