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A black hole is not a "hole". It's a planet, like a magnet, the gravitational pull is very strong, anything can be sucked, and light is no exception, and light is not reflected when it is inhaled, so it is black. It's not going in, it's sucking into the planet, and in the end it's getting bigger and bigger, and it's getting bigger and bigger, and everything can be sucked up.
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The universe contains four fundamental forces: the strong force (the force that binds protons and neutrons to form atomic nuclei), the weak force (the subatomic decay force), the electromagnetic force (the force between electrons and atomic nuclei), and the gravitational force (the force between matter with a mass of 0).
The repulsion of the electromagnetic force between the nuclei and the counterbalance of the gravitational force determine the size of the object's volume!
And the formation of black holes is caused by the fact that electromagnetic force cannot resist gravity! When the electromagnetic force cannot resist the gravitational force, the atoms are flattened, the electrons are pressed into the nucleus, and the protons become neutrons (neutron stars). As the pressure increases, the neutrons are also flattened, and then it is the turn of the quark, and again.
The extent of the pressure depends on the magnitude of the gravitational force and the composition of the elementary particles! So the composition of the central matter of different black holes should be inconsistent!
As for the size of a black hole, it depends on its mass and composition! Maybe some black holes are composed of quarks, some black holes are composed of subquarks, and some black holes are subquarks. Wait, with the development of science, the secret will be slowly revealed!
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Will come out of a place called "White Hole".
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To know what happened to the matter sucked up by the black hole? You need to know what a black hole is. Now the usual explanation is to go to the singularity of the black hole, such an explanation is obviously a kind of helplessness, the singularity only appears in mathematics, and there can be no so-called singularity matter in the real world, which also shows that the current physical theory is incomplete.
There is no development without breakthrough, just as Einstein broke through the shackles of absolute space-time to have the general theory of relativity.
The same is true for the understanding of black holes, which also needs to go beyond dimensions. In fact, black holes are not three-dimensional matter in our universe, but four-dimensional matter. Due to the infinite compression of the matter in the black hole, the elementary particle quark has nowhere to go, and the black hole absorbs all the three-dimensional matter and accumulates it into the fourth dimension of the four-dimensional space, which opens the fourth dimension of the high-dimensional space, and the matter swallowed by the black hole becomes the four-dimensional matter.
Therefore, the density of four-dimensional matter is infinite relative to three-dimensional matter, so black holes can infinitely absorb galaxy matter, there is no return, four-dimensional matter (also four-dimensional space) is different from any matter in our universe, so it has the same long life as the universe, in the human observation of three-dimensional organisms seems to be a singularity with infinite density, which is just like the principle that three-dimensional matter is placed in two-dimensional (paper) space, and the density of three-dimensional matter is also infinite for observers of two-dimensional space. So, in fact, the black hole is not a singularity, but a four-dimensional supersphere, and the volume and radius of the black hole can be observed in the four-dimensional space.
The three-dimensional space in the black hole horizon is bent and stretched to the fourth dimension of the four-dimensional space, and the bending of the light in the black hole is actually the shortest path into the fourth dimension of space, because we are three-dimensional creatures, we cannot observe the light in the fourth dimensional space, so the black hole looks like the light is absorbed. But in the eyes of four-dimensional beings, black holes are not black, they have light and color.
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Black holes have a lot of matter in them. Black holes can absorb anything, and there seems to be no limit. As long as the black hole is in its sphere of influence (event horizon), it doesn't matter how much it has, what matters is how much it devours.
Black holes may become smaller and smaller, rather than changing. The matter in the black hole has been moving inward, perhaps more and more slowly, but due to its own collapsed space effect, the matter in the black hole has been moving inward, even if it has just come in from outside. Whenever something approaches the object, it drags it in and continues to move inward.
Black holes don't just devour and spit out matter.
Stephen Hawking's theory of black hole evaporation mentions that black holes also emit matter outward, and as a result of this emittion, the black hole "dies". In general, the more massive a black hole is, the shorter its lifetime. Stephen Hawking's theory of black hole evaporation:
The event horizon of the black hole in the vacuum is not vacuum, but has vacuum fluctuations, randomly generating a large number of positive particles The number of antiparticles opposite to the particles with positive energy must have negative energy, and other particles with negative energy cannot exist for a long time, it must be in a very short period of time, there are positive energy particles combined, annihilated each other, and returned to nothingness.
The event horizon of the black hole appears, and some particles may be separated into the black hole by strong gravity, because the negative energy particles have been in debt, of course, there is no force to resist the strong gravity, and they can only fall into the black hole, and the particles with positive energy, some of them can have the opportunity to escape the shackles of the black hole and appear outside the black hole, just like the radioactive particles that will appear before the black hole.
Since there are more negative energy particles falling into a black hole than positive energy particles, on average, the mass of the black hole will be eaten by the negative energy particles, causing the mass of the black hole to decrease. The smaller the black hole, the faster the black hole evaporates and eventually disappears into the universe. Note that particles with negative energy can be either positive or antiparticles.
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In the history of science, scientists and astronomers have discovered and thought about black holes very early. The discovery of black holes has been discovered as far back as the 20th century, but due to the constraints of subjective and objective conditions, the mystery of black holes has not been well explained. It wasn't until the 21st century that scientists had a definite understanding of black holes.
So what's in the black hole that keeps us on our minds? Let's take a look. <>
The black hole was first seen to be true only because scientists discovered that there is a large area in space with a very obvious gravitational region. The gravitational pull of this large area is so great that much of the material in space is attracted to this area. This area is very dark, as the gravitational pull in this area is large enough that the light is completely absorbed by the wild tracks.
Because so much material has been absorbed, the place appears to be a hole in the shape of a spine, as if there was a hole in a piece of cloth. <>
The black hole is so dark that it is impossible to see what is inside it, so it is very curious to see what is in the black hole. There are many scientists who are paying attention to and studying black holes. It is generally believed that there are wormholes, white holes, low-dimensional spaces, and high-dimensional spaces in black holes.
According to many physical theories, black holes have a lot of quantum collisions together. The matter in a black hole makes the environment in a black hole extremely complex. <>
Regarding wormholes, many scientists believe that if we pass through wormholes, we can travel in time and space. The matter in the black hole is entangled together, and it is possible to form a low-dimensional space, and it is possible to form a high-dimensional space. So when we enter a black hole, it is possible to enter a space that is completely different from the Earth's space-time.
It may be a two-dimensional one, or it may be a multi-dimensional one. It is more likely that there will be a higher dimensional space that is even fuller than that of us humans. But all this is still speculation, and it needs to be continuously verified and studied.
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It depends on what type of black hole it is.
For stellar black holes (black holes formed by the collapse of stars), possible quantum black holes, and supermassive black holes at the center of galaxies, the form and state of matter in them are not yet known. Because all the laws of physics are completely invalid inside a black hole. Moreover, any object, between reaching the surface of the black hole, will be torn to pieces by the strong tidal force of the black hole, and it is impossible to "see" the state inside the black hole.
According to calculations, there may be a more massive black hole, which could be larger than a large galaxy. The average density of such black holes is very small, not as dense as water. But it can also form a self-enclosed space-time structure from its mass and scale, so it is also a black hole.
For this type of black hole, we can enter its interior without any effort or damage, because its tidal forces are very small. Such black holes may also have some dense celestial structures, such as stars, small star clusters, nebulae, and planets. However, because its time and space are also self-enclosed, it can also enter and exit.
Our universe may also be a super-large black hole based on the total amount and scale of matter in our observable universe, because the scale of our universe is exactly equal to the Schwarzschild radius of the total mass of the universe in terms of mass and radius. In other words, we are living in a huge black hole.
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A black hole is actually an invisible celestial body, and we can only perceive its existence. A black hole is a type of celestial body predicted by the general theory of relativity. Its boundary is a closed viewport.
Outside matter can enter the event horizon, but matter inside the event horizon cannot escape, so distant observers cannot see the radiation from inside the black hole. The material absorbed by the black hole forms a disk around the black hole, called an accretion disk.
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No one knows what's inside a black hole yet, because science isn't that advanced yet.
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Black holes are so massive that they completely distort space to the point of closing. Therefore, the way the black hole is embodied in this three-dimensional world is just a point, in fact, there is heaven and earth in the black hole.
A less cautious analogy is that a black hole has formed an independent space, and it is unknown what this space looks like, whether it forms a new small world, or whether it is still a dead closed space.
The black hole itself, which astronomers have only deduced through the theory of relativity, has observed only a few objects that may be black holes (which cannot be confirmed). Therefore, let alone whether anyone has seen or even entered a black hole. Even if the future of interstellar travel is realized, it is possible to confirm the existence of black holes, and it is possible for people to be sucked into black holes, but it is still impossible to see black holes.
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Can you imagine that you are a person made of salt, and when you enter the water, are you still you? You're gone.
It's the same with black holes, because they have a huge mass, when you get close, you will be dragged and the space will be distorted, and people at that time are no longer human.
And the same is true for the speed of light, the speed that people can withstand in this universe is limited, and when it is close to the speed of light, people have already turned into a bunch of particles, not people. The people of the black hole can be said to be both alive and dead. No space, no time.
In fact, time and space are distorted, you can go back in time, you can go back in time, you can go back in time, you can age and rejuvenate at the same time, you are in point A and point B, you appear in different positions at the same time. You no longer accept the constraints of time and space in the universe, but at this time, like the salt man who has melted, are you still you? So, this state becomes a state of life and death, and it's okay to say that you're alive, and it's right to say you're dead.
In our universe, black holes have neither an inside nor an outside. Just as you can't make a blind man understand what's blue and what's red. No sense in our current universe can describe what it feels like in a black hole.
We can only calculate the results that in a black hole, 1+1 is not necessarily equal to 2.
Since you can't see inside a black hole, what happens before you fall into it? It's like black holes are big and small, and the bigger the black hole, the less powerful it is. Black holes appear large because they are not massive enough to generate enough gravitational pull.
This is the opposite of our visual experience. When you approach a black hole that is not big enough to tear you apart, you will not feel anything, you will be slowly dragged by the black hole, and you may be able to survive your life before falling into the black hole. Until you turn into a pile of ginkgo seeds, you may still be in the process of falling.
It's just a relatively good result.
Different from the above, then let's talk about another more extreme result, you encounter a super massive black hole, this black hole does not look big at all, but the gravitational force generated by it will quickly pull you over, your feet and your head because of the small difference in distance from the black hole, and there is a huge difference in gravity, which causes one end of your body to be dragged, and the other end is nothing, imagine that your feet are tied to a car, and your head is tied to a pillar on the ground, when the car starts to drive out, Your body will be torn apart because it can't withstand the pull. The result is that your corpse falls into a black hole.
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No one has ever entered a black hole, and even if they do, they can't get out, and even the speed of light can't escape the structural model inside the black hole.
The central singularity structure model in the black hole is solved.
The numbers in the figure represent the smallest unit of indivisible positive and negative chord information - string bits
Famous physicist John. John Wheeler famously said, "It from bit."
After the development of quantum information research, this concept was sublimated to the point that everything originates from qubits) Note: Bits are bits.
There are currently two kinds of understandings:
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