For the question of black holes and stellar space time distortions, please see the problem descripti

1. Is there a space-time distortion on the outside (around, nearby) of a black hole? What about the interior?

A: Yes. There is a time warp on and off the outside of the black hole. The inner space-time is even more distorted, to the point of self-enclosure.

2. Is the external space-time distortion or the internal distortion?

A: It's that the internal space-time distortion is greater.

3. Is there a space-time distortion around a star that is more massive than this black hole? What about the interior?

A: Yes. But it's far less distorted than a black hole.

4. Is the external space-time distortion or the internal distortion?

A: The closer you are to the center, the greater the distortion.

5. Is the outer space-time distortion of this black hole or the size of this star?

A: "Outside the black hole" usually refers to the black hole outside the event horizon, which can be simply calculated using the law of gravitation. Outside of a certain range, there is no difference between the space-time distortion caused by a star and a black hole, and it is only when it is very close to the black hole (event horizon) that the space-time distortion is noticeable.

Some scientists have calculated that if a black hole with the same mass as the sun is placed in the position of the sun and replaces the sun, the space-time geometry of the solar system will not change at all, but there will be no light.

The picture below is an illustration I cut out of a book, which I don't know very well, but I can see how stars distort space-time when their gravity collapses into black holes.

The distortion of space-time when a star's gravity collapses to form a black hole.

There is space-time distortion near the black hole, and there is also the inside, and the interior is large, and everything has space-time distortion, but to different degrees, the black hole is distorted to a large extent.

Introduction: I believe everyone knows about black holes, but do not know how black holes are formed, the formation of black holes is mainly the death of stars, you must know that stars are not immutable, there are birth, old age, sickness and death, when the stars can remain stable is very normal, but when the star energy is exhausted, the internal pressure on the outside world disappears, it will let the huge gravitational force continue to experience the center, and the long-term change will make the material mass in the middle of the star higher and higher, When the gravitational pull of the entire star exceeds the critical point of the photon, it becomes a black hole, and it is important to know that a black hole is not a hole in the true sense of the word, it is just a star with huge mass. The process of the core collapsing into a black hole is irreversible, because the collapse of stars into black holes is mainly caused by the huge mass of the black hole.

The principle of black holes. After turning into a black hole again, the black hole will absorb matter, and at this time, the black hole will become bigger and bigger, and the radius of the black hole will be proportional to its mass, so the black hole will only become a larger black hole when it absorbs matter, and the essence of perseverance is because there is a nuclear fusion reaction inside the heart body, and at this time, there are external factors and internal factors that will make the star last, and after the occurrence of a black hole, it will not make the black hole produce more changes, thus producing nuclear fusion, Therefore, the essence of black holes is to constantly absorb new matter.

The conditions under which a black hole is formed.

The conditions for the formation of a black hole, first of all, must be guaranteed to be a star, and the perseverance must be a massive star in the process of collapse, a large amount of matter will be combined in the center, there is no way to maintain balance through the familiar history, this time is mainly dependent on the gravitational force and repulsion between the particles to maintain balance, when a large number of particles are compressed together, the gravitational force will become stronger and stronger, at this time it occurs that the formation of a black hole.

Summary. In the end, not all stars will become black holes after collapse, and if the star itself is massive enough, it is possible to form a black hole, which is also because different stars are different in size, and some will form black holes after death.

It is because the star is distorted by space in the process of orbit, and it is affected by magnetism and gravity, so it forms a black hole. Such a process is irreversible, and if such a process can be reversed, then there will not be any black holes in the world, and there will not be any planetary impact events.

Stars are transformed into black holes due to the high temperature of hydrogen fusion. The process by which a star collapses into a black hole is generally irreversible.

Stars die and become black holes, and in physics, collapse can be reversed.

When a star dies, it eventually becomes one of three things: a white dwarf, a neutron star, and a black hole.

If you want to become a white dwarf after death, the star must be a small and medium-sized star, and in the process of death, two parts are formed, the star shell and the star core, the star shell is ejected outward, the star core collapses inward, and if the mass of the star core is not greater than the mass of the sun, a white dwarf will be formed. When a white dwarf is under high pressure, the atoms are crushed, and the electrons will deorbit and become free electrons.

In general, the mass of such a star before death is about 8 to 10 times the mass of the Sun. According to theoretical speculation, white dwarfs make up about 10% of the total number of stars.

If a star wants to become a neutron star, then its mass must be more than 8 10 times the mass of the sun, and less than 30 times, so as to ensure that the star will have a supernova when it dies, and the mass of the inner core will remain between times the mass of the sun, and finally under high pressure, not only the atoms will be crushed, but the nucleus will also be crushed, and the protons and electrons will combine to form neutrons, and finally, all the neutrons will be compressed together to form a neutron star.

A neutron star is not the final state of a star, it can evolve further. When its energy is depleted, the neutron star will become a black dwarf that does not emit light. A white dwarf can actually become a black dwarf, but it takes a long time, 20 billion years.

Now let's talk about the last state after the death of stars, and the most mysterious and unknown state: black holes.

In order to become a black hole after death, the mass of the star before death must be more than 30 times the mass of the sun, and the mass of the inner core must be more than twice the mass of the sun, so as to form a mysterious and unknown black hole.

The gravitational collapse of a star with a mass of 30 solar masses forms a black hole. Black holes evaporate. As the mass of the black hole decreases, the rate at which particles leak out increases.

Because the smaller the black hole, the shorter the distance the negative energy particles have to travel before becoming real particles, so the emissivity and performance temperature of the black hole will be greater.

It's not clear what happens when the mass of a black hole finally becomes extremely small. But the most reasonable conjecture is that it will eventually disappear in a massive radiation storm of millions of hydrogen bombs.

The gravitational collapse of a star with 10 solar masses forms a neutron star.

The gravitational collapse of a star with 1 solar mass forms a white dwarf.

The minimum mass of the star hardly changes.

One of the characteristics of black holes is the escape velocity within the event horizon.

Exceeding the speed of light, which is 300,000 kilometers per second, the mass of the black hole must be large enough for the photon to be bound and unable to escape. Not all stars can evolve into black holes.

Stars are in the main sedan sliding sequence phase, because of nuclear fusion.

The abundance of raw materials will continue to release energy outward, and at the same time, because the thrust formed by the nuclear fusion explosion and the gravitational pull of Perseverance itself form a balance, so that the star maintains a certain volume. In the late stages of stellar evolution (after the main-sequence stage), there are two outcomes due to the loss of mass, with less massive stars (Sun-like stars) gradually expanding to form red giants.

The outer material is gradually thrown away to form a core dominated by carbon and oxygen, the white dwarf.

Massive stars, on the other hand, have less thrust due to internal nuclear fusion, or because nuclear fusion needs to absorb energy (fusion reaction after iron, the star collapses under gravity, nuclear fusion accelerates, and the huge force released quickly ejects the outer layers of the star, resulting in a supernova explosion.

Then the core continues to collapse, and the density increases dramatically, and if the compression reaches the limit (Schwarzschild radius), the star will not have any known type of force that can prevent the gravity of the matter from compressing itself into a singularity, because the mass is so large that the space-time curvature caused by the star makes it impossible for light to escape, that is, it becomes a black hole.

Matter close to the black hole is attracted to it, and the ends of the black hole radiate "pure energy" - rays - outward.

Many stars have their own companion stars, and when the more massive stars become black holes in the later stages of their evolution, they will take away matter from the companion star to strengthen themselves, and when they grow to a certain extent, they will begin to devour the surrounding matter more quickly. In order for a star to form a black hole, the stellar nucleus left behind after the eruption of the outer material cannot be less than 3 solar masses to become a black hole, which requires a larger mass in the main sequence stage, and it is generally believed that it needs to reach 8 times the solar mass.

No. Because many stars do not meet the conditions for black holes, and because there are many more stars in the cosmic cluster than black holes, not all stars will form black holes. Collapse and rise quickly.

Not all stars form black holes, because there are conditions for the formation of black holes, and not every star has such conditions.

This is not certain, because our current science cannot come up with this phenomenon, so we cannot arbitrarily guess.

There will be a difference in gravity, when the sun becomes a black hole, the density of the sun is large, and the density of other places is small, then the gravity of the sun will absorb similar planets into its body, and in the process continue to emit energy, gravity formula is also related to the mass of the star.

Because the sun itself is very massive, the degree of space-time distortion is not too high. So the impact won't be too big.

Because gravity is the same on the surface of the sun, it does not change its weight because something happens.

First of all, we need to figure out what space is. The so-called space is in fact filled with material things. When we approached the house, we were actually crowding out other things and taking their place!

The sun's glow and heat are not caused by nuclear fusion, but by gravitational focusing.