Is a black hole, as its name suggests, a dark hole?

A black hole is a special type of celestial bodyIn the vast universe, there are various different types of celestial bodies, most of which are conceived from nebulae, and many are formed by the collision of celestial bodies, but black holes are very special celestial bodies, the formation of black holes is formed by the core of stars, and when the star is about to die, the core will form nuclear fusion and collapse, producing huge energy to compress everything of the star into a very small celestial body, this celestial body is very dense and massive. However, not every star can form a black hole when it dies, which is also a matter of probability, so it can be seen that black holes are special. <>

Black holes are dangerous and scaryThe particularity of black holes is not only in the formation process of black holes, but also in the physical properties of black holes. Because the black hole is a very dense, very massive celestial body, so the gravitational pull of the black hole is also very terrible, after the formation of the black hole will pose a threat to all the surrounding matter, all the matter around the black hole will be captured by the gravity of the black hole, and eventually absorbed into the black hole, such as asteroids, planets, and even stars will be swallowed into the black hole, even the fastest speed known to mankind, the speed of light can not escape the gravity of the black hole, so the black hole is a very dangerous, very scary celestial body. <>

The inside of a black hole is even more mysteriousBecause of the limited level of human science and technology, in fact, human beings only know about black holes, and they know little about other black holes, the most mysterious of which is the interior of black holes. The inside of the black hole is like a bottomless pit, constantly devouring matter, but it is not satisfied, so some people boldly guess that the inside of the black hole is likely to be a four-dimensional space or a higher latitude space, which can store infinite mass, just like the principle of the Klein bottle, and some people think that the inside of the black hole is another universe, and these absorbed substances are used to rebuild another universe, and the real situation inside the black hole is unknown to human beings, hoping that there will be an answer in the future. <>

Not; It's just that the relevant scientists get the image name, it will effectively devour all the substance, so as to decompose and disappear, and it cannot be seen with the relevant detection instruments, which is a space with great suction power.

I think that's true, because a black hole can theoretically attract anything and doesn't reflect light, so it's black.

At present, scientists have not analyzed the black hole clearly, and the internal space of the black hole cannot be seen, and it is very likely that there will be a strong attraction.

Not a hole. A black hole is a special kind of celestial body that exists in the universe. Its gravitational pull is so strong that even light can't escape its "claws", so it can't reflect light, and people can't see it.

A black hole is not a hole, a black hole is also a planet, a funnel-shaped star, with a particularly high density and suction.

The black hole is really a slow burning hole, and it is a pure black hole, and at the end of the black hole, no one knows what will happen, no one can say what it is, because after entering the black hole, people will disappear, so no one dares to enter the black hole.

The black hole is the center of a storm, its essence is a celestial body, the density is very large, from a distance it looks like a black hole, some scientists believe that he may be cong Yu Hu seep into another parallel world.

1. A black hole is a region where space-time exhibits an extremely strong gravitational acceleration, so that there are no particles, not even electromagnetic radiation, such as light. Wide.

2. Righteous relativity**, a sufficiently tight mass can distort space-time and form a black hole; The boundary from which it is impossible to escape from the area is called the event horizon. While the event horizon has a huge impact on the fate and condition of objects passing through it, observations of the area appear to have failed to detect any features.

3. In many ways, a black hole is like an ideal black body, it does not reflect light. In addition, quantum field theory in curved space-time**, Hawking radiation emitted by the event horizon, like the spectrum of a blackbody, can be used to measure temperature inversely proportional to mass. In stellar-mass black holes, this temperature is up to billions of ks and is therefore largely unobservable.

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.

Black holes are formed by extremely tight matter whose gravitational pull is so strong that they create a gravitational field that is strong enough to block light. This gravitational field, known as the event horizon, is the "surface" of the black hole, because from here on, no matter or information can escape the gravitational pull of the black hole, not even light. This is because the gravitational pull inside the event horizon is so strong that no object or signal can escape the area at speeds faster than the speed of light.

Due to the very strong gravitational pull inside the event horizon, matter will be forced to compress into a very small recall-back beam space, forming the center of the black hole, the singularity. This is the extreme point of density and pressure in a black hole, and we know very little about it because we can't observe what's going on inside the event horizon. We can only understand the properties of black holes through observations of the material around them.

Therefore, we cannot be sure exactly what exactly is contained inside a black hole, because no matter can escape from the inside of a black hole, including light. At present, we can only understand the properties and characteristics of black holes by studying the matter and gravitational effects around them.

A black hole is not a hole, and it is called a black hole because it helps you better understand the property that black holes can absorb everything.

01.Black holes are a terrifying existence in the universe

The size of the black hole itself is actually very small, it itself is scientifically only a singularity, but its small size also means that its gravitational pull is infinite, so it may suck up everything that comes close to it, including electromagnetic waves. Light is also a kind of electromagnetic wave, so theoretically speaking, a black hole can suck away all light, and nothing can be seen in the black hole's range, assuming that we can safely approach the black hole, then we can't see or hear anything, we are facing all kinds of unknown fears, and the terrifying attraction of the black hole will tear us apart from all directions. Although we can't get close to black holes, there is no guarantee that the planet we live on will one day be swallowed by black holes, so black holes are a very scary existence.

02.A black hole is not a hole, but it is a bottomless pit

The black hole is not a hole in the traditional sense, it was also a bright planet before it became a black hole, and it was a very powerful star, but then the planet died, and it gradually could not control the various forces inside it, and finally as the body became smaller and smaller, the strong gravitational force triumphed, which caused it to begin to absorb everything next to it, and these absorbed things were converted into its own energy. In this way, the more it develops, the more attractive it becomes, and in the end it becomes a bottomless pit from which nothing can escape, which is what we call a black hole.

03.Scientific explanation of black holes

The creation of black holes is actually a long process, and there are many ** that are dedicated to black holes, and they are also explained in science textbooks.

To put it simply, a star dies, and the surface of the star begins to be unable to bear under the action of its own gravity, and finally the dead star **, the star after ** begins to retract, and finally shrinks to the volume infinitely close to zero, at this time, the gravitational force on the surface is infinite, and the black hole is generated.

The black hole is not a hole, the black hole is just a name, it is indeed a terrifying existence, he can suck everything into him, even the light can't run, the specific situation, the current science and technology still can't explore.

A black hole is not a hole, it is a very dense celestial body, anything that appears near it will be sucked into it, it can even absorb light

A black hole is a terrifying existence, a black hole is not a hole, it is a crack in space, and it can never come out after being sucked in.

It's not a hole, a black hole is a dark matter existence, not a specific thing, its composition is very complex, it is a scientific thing, not a simple hole.