Can Black Holes Truly Absorb All Matter and Energy?

In summary, black holes are considered to be almost perfect black bodies that ideally absorb everything that comes close to them. This means that anything that crosses the event horizon cannot escape. It is theoretically possible for a black hole to ideally absorb or ideally radiate energy, and this has been experimentally supported by general relativity. There are no alternative theories that allow for things to escape a black hole without contradicting observations.
  • #1
Shailesh Pincha
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Black hole is considered an almost ideal black body by being a perfect black hole. But does it ideally absorb everything coming in the vicinity of its impact? Is it really possible for anybody to either ideally absorb or ideally radiate energy?
 
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  • #2
Shailesh Pincha said:
But does it ideally absorb everything coming in the vicinity of its impact?
Everything that comes so close that it crosses the event horizon cannot come back, yes.
Shailesh Pincha said:
Is it really possible for anybody to either ideally absorb or ideally radiate energy?
Yes.
 
  • #3
mfb said:
Everything that comes so close that it crosses the event horizon cannot come back, yes.Yes.
Is it experimentally proven or something like that which proves that black hole absorbs everything or it is just theorised?
 
  • #4
There are no proofs in physics.
Experiments are in very good agreement with general relativity, a framework which does not allow things to escape. There is no alternative theory that would allow things to escape without being in conflict with observations.
 
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Related to Can Black Holes Truly Absorb All Matter and Energy?

1. What is a black hole?

A black hole is a region in space where the gravitational pull is so strong that nothing, including light, can escape from it. This happens when a large amount of matter is squeezed into a small space, causing the space-time to be curved so much that even light cannot escape.

2. How does a black hole absorb matter?

A black hole absorbs matter through its strong gravitational pull. When objects, such as stars or gas clouds, come too close to a black hole, they get pulled towards it. As they get closer, the gravitational force increases, causing the object to accelerate and eventually get pulled into the black hole.

3. What happens to the matter that gets absorbed by a black hole?

Once matter gets absorbed by a black hole, it gets pulled into the singularity at the center of the black hole. This singularity is a point of infinite density and gravity, where the laws of physics as we know them break down.

4. Can anything escape from a black hole?

According to our current understanding of physics, nothing can escape from a black hole once it has passed the event horizon (the point of no return). However, some theories suggest that tiny particles, called Hawking radiation, can escape from a black hole over a very long period of time.

5. How does absorption by black holes affect the surrounding space?

Absorption by black holes can have a significant impact on the surrounding space. As matter gets pulled into the black hole, it releases a tremendous amount of energy, which can cause powerful jets of radiation and particles to shoot out from the black hole. This can also influence the formation and growth of stars and galaxies in the surrounding area.

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