/ What is a black hole?

What is a black hole?

How sad it may sound, but todaymany are completely wrong or at best vaguely imagine what a black hole is. And there are a lot of such objects in the Universe. And they are so powerful and global that our planet and even our whole life in comparison with them is nothing.

Scientific theories predict masshypothetical objects that exist in the universe. And none of them produces such an eerie impression as a black hole. The assumptions about their formation, essence and existence in general were expressed long ago. Before Einstein's theory of relativity was published.

But quite recently, quite a lot ofconvincing evidence that the black holes in the universe still exist. Indeed, according to the theory of relativity, such formations are quite possible, but for many years even the prediction of the possibility of forming such objects was refuted.

According to studies, black holes are characteristicso huge is the gravity that they absorb absolutely everything that falls within their limits. But there is a more specific definition of what a black hole is. In its essence, it is an object that does not produce light and distorts space and time.

Very interesting is the fact that evenNear these formations, time flows more slowly. A dense study of these objects is, unfortunately, impossible. There are only a lot of assumptions and a number of practical developments. Therefore, all objects that fit this description are called black holes, while leaving a huge number of questions unresolved.

It is also worth noting that any black holehas its own horizon of events - that border, after crossing which it will not be possible to get out any more. Moreover, the object begins to move much more slowly as it approaches the hole.

Of particular interest is the discussion of how black holes form. Today it is assumed that there are three main ways of their formation:

  1. As a result of the formation of the universe. This kind of black holes appeared immediately after the Big Bang.
  2. A dying star.After the star loses its own energy, thermonuclear reactions stop, and as a result, it begins to gradually contract. The degree of such compression depends on the type of object: white dwarfs, neutron stars and black holes themselves.
  3. By experiment. For example, in a collider it is possible to create a quantum black hole.

Существует также немало версий о том, что такое black hole and what it is. So, many scientists are of the opinion that such objects throw away all the matter absorbed by them in some other place. Following this statement, there must exist "white" holes acting on the opposite principle.

Simply put, if everything falls into a black hole, butnothing is chosen, then it is impossible to get to the white one, on the contrary. The main argument of scientists are the powerful and sharp bursts of energy fixed in space.

Very popular is the theory of strings,the supporters of which created their own model of a black hole, in which information is not destroyed. This makes it possible to answer a number of questions connected with the singularity-a point in space characterized by infinite density and pressure.

But many are skeptical about the fact thatsingularity will make it possible to accurately study what a black hole is, since physicists with infinite numbers can not work. Therefore, although they recognize the presence of such a point directly in this object, but its properties are described very superficially.

It is nevertheless necessary to pay tribute to such an intriguingeducation in the universe. Indeed, up to today, a black hole is one of the most mysterious and interesting objects. Scientists have only established precisely that their occurrence occurs as a result of an extremely strong compression of this or that mass, after which the gravitation so powerfully increases that no light, no other radiation, neither bodies, nor signals is released. Therefore, much remains to be learned.

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