Why is there only a black hole in the universe that can actively devour other stars?

First of all, this sentence itself is false, it is not only black holes that can swallow other new bodies in the universe, such as the sun in our solar system, and even our earth is constantly devouring some of the surrounding stars. It's just that there are some differences in the size of the swallow, so it's not just a black hole in the universe that can swallow other stars.

Why do some people subconsciously think that only black holes can swallow it?

In fact, the reason why many people have such thoughts is mainly because many science fiction works have a special understanding and description of black holes. In these works, black holes are often omnipotent, and can even become space-time channels, not only devouring everything around them, but also using their own mass to compress the universe, forming a space-time channel that allows people to travel to the past and the future. This is because of such a magical description, which makes everyone feel that black holes are very mysterious.

After all, not everyone likes to read boring popular science articles, and movies are more interesting to do. <>

What is the difference between black hole devouring and our ordinary planets?

The biggest difference between a black hole and us is that its gravitational pull is very large, and many people must have such a concept, the reason why a black hole is called a black hole is because its gravitational force is so large that even light cannot escape. But in the whole process of devouring, he is actually no different from us. Black holes can devour surrounding celestial bodies, countless planets.

But there is also an upper limit to his engulfment, and once saturation is reached, the gravitational pull also decreases. <>

Can our ordinary planets become black holes?

First of all, in principle, it is impossible to become a black hole with the current volume of the planet, after all, if you want to become a lot, you must first have a lot of matter around. Planets generally orbit around stars, and the gravitational pull of stars will rob all the material around the planets. Therefore, there is no premise for a planet to become a black hole on the foundation, and the premise for a planet to become a black hole must be to suddenly expand its gravitational pull.

At the very least, it has to be in a galaxy to surpass the status of a star.

No other planet can have the gravitational pull of a black hole. Although people have discovered black holes, it does not mean that there are no other similar stars.

Because in the universe only black holes have a strong attraction. Therefore, it can actively devour other stars at will, which is very domineering.

Black hole is a special celestial body in the universe, black hole is a supermassive star**, formed after the formation of high-density celestial bodies, the mass of the celestial body is huge, so the gravitational force is also huge, so it will swallow other stars.

A black hole is a celestial body that can devour everything around it because of its strong gravitational pull. The black hole can be described as a terrifying "giant" in the universe that everyone talks about, and some people jokingly call it a "rogue leader" in space.

There is no other reason than the fact that black holes have a strong ability to attract. It is said that he can open his mouth and devour all celestial bodies and matter that are or will approach him, even the "light" that is known for its speed.

Black holes are one of the celestial bodies we know of, and they are by far the largest objects with average mass and volume. According to today's scientific theory, the mass of black holes is almost "unlimited". The ultimate mass of a star, as has now been concluded, is two hundred and forty-seven times that of the Sun.

And we can often find black holes with masses tens of thousands of times more than the sun: it is precisely because of the terrifying "suction" that its mass has expanded to such a terrifying state. Generally speaking, after the death of a star, it becomes a "supernova"; If the supernova fails again, it becomes a black hole:

That said, there is also a good chance that our sun will become a black hole billions of years from now.

The reason why black holes can devour everything is, of course, because of the gravitational pull it has. According to the law of gravitation, the greater the mass of matter, the greater the gravitational force; Since the mass of the black hole tends to be infinite, its gravitational pull has also reached an immeasurable point.

It is speculated that the gravitational pull of a black hole has reached the second cosmic velocity, which is higher than the limit of the first cosmic velocity: the speed of light. According to Einstein's special theory of relativity, the limit of matter is the speed of light. So black holes can devour everything.

However, it is worth mentioning that in general relativity, gravity is a kind of curvature of space-time: this represents the vicinity of the black hole, and even the center of the black hole, which is likely to allow us to achieve such a magical operation as "space-time travel". Some people say that after entering a black hole, it is a "wormhole".