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A black hole contains a large amount of matter, compressed in an incredibly small space.

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Q: What are some theories about the contents of a black hole?
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Why the whole density is concentrated at a point in a black hole?

We do not actually know what is happening within a black hole. It is clear that the currently accepted theories of Physics cannot explain what exists within the Schwartzchild radius of a black hole (and the Schwartzchild radius, or event horizon, is much larger than a point). There are some interesting new theories, but it unlikely that we will soon be able to place instruments near enough to a black hole to test these theories. Once the Large Hadron Collider at CERN is up and running, it may give us some data which will help to test these new theories.


Sentence for black hole?

A black hole is a type of star with excessive gravity. Here are some sentences.The star was sucked into the black hole close by.A black hole will even absorb light.The scientist is studying a black hole.


How do you escape a black hole?

Some theories state that if you enter a black hole at a certain trajectory you can exit via a white hole in another part of our universe or different universe. Other than this there is no escape from a black hole. Hawking radiation excepted.


What are some topics related to a black hole?

Some topics related to black holes:Stellar evolutionPhysicsAstronomyGravityQuantum physics


Are black holes the strongest object in space?

That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.That depends exactly how you interpret the term "strong". In its vicinity, the black hole distorts space more than anything that is NOT a black hole; so much that nothing can get out of the black hole. But at some standard distance, a galaxy, for example, would have more gravitational attraction than a black hole, simply because it has more mass. At least, so far no black hole of the mass of an entire galaxy has been found.

Related questions

Why the whole density is concentrated at a point in a black hole?

We do not actually know what is happening within a black hole. It is clear that the currently accepted theories of Physics cannot explain what exists within the Schwartzchild radius of a black hole (and the Schwartzchild radius, or event horizon, is much larger than a point). There are some interesting new theories, but it unlikely that we will soon be able to place instruments near enough to a black hole to test these theories. Once the Large Hadron Collider at CERN is up and running, it may give us some data which will help to test these new theories.


What are some controversies regarding black holes?

Because the physics within a black hole is so extreme, current theories can't really describe in detail what goes inside a black hole, especially near the singularity.


If our planet is ever eaten up by a black hole where will you go to?

There is many theories that exist about that. I will tell you some these theories. I'll start with the one that looks the most truthful. 1-Earth may be torn into pieces because of the black holes gravity. Then, these piece will be torn into molecules. Then these molecules will be torn into atoms. (you get the idea) 2-There is a theory that all the matter that enters in a black hole is "teleported" to another region of space. I will explain that more in details. 1- Earth enters in the black hole. 2-It gets in a inter-dimensional tunnel called "wormhole". 3- It exits from a white hole, in another region of space. 3-There is a theory that when you enter in a black hole, you are "teleported" into a different universe.


Who discovered black holes and subatomic particles that radiates for them?

The discovery of black holes was not due to a single person; several people participated, and at first, it was all very theoretical. You can find some of the history behind the theories and discoveries in the Wikipedia article on "Black hole".


Sentence for black hole?

A black hole is a type of star with excessive gravity. Here are some sentences.The star was sucked into the black hole close by.A black hole will even absorb light.The scientist is studying a black hole.


A black hole has a tremendous amount of?

Gravity. This a known and to some extent an arguably proven fact. But there are also theories that Black holes contain Anti-matter, an entity in inverse existence to "matter".


Do stars began there life in a black hole?

No, but some stars end their life by becoming a black hole.


How did the black holes change current beliefs or theories?

it makes some of us ask ourself a question like what if there is another dimension or worlds all around us we just cant grasp the tip of evolution and alternate realities such as if u where to go in a black hole you would probly not be able to come back from wherever or watever happened to you. a black hole has uncontrolable gravitational pull that means if u went directly in the middle of it then you would be torn in each equal direction of the black hole. but if u where to enter that black hole with proportional mass and proportional density then who knows what would happen....


What do stars do when they get old?

Some stars become a black hole or a black dwarf.


How do you escape a black hole?

Some theories state that if you enter a black hole at a certain trajectory you can exit via a white hole in another part of our universe or different universe. Other than this there is no escape from a black hole. Hawking radiation excepted.


What are some topics related to a black hole?

Some topics related to black holes:Stellar evolutionPhysicsAstronomyGravityQuantum physics


Is there time in a black hole?

yes. but the intense gravity is so strong it seems to bend time so slowly some people believe that there is no time in a black hole I WOULD JUST LIKE TO POINT OUT that time does exist in a black hole it is just extremely slow on another note if time did not exist in a black hole then a black hole would not suck things into it. so time does exist in a black hole.