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This is an issue worth discussing:
http://www.arxiv.org/gr-qc/0304042
Do black holes radiate?
Authors: Adam D. Helfer
http://www.arxiv.org/gr-qc/0304042
Do black holes radiate?
Authors: Adam D. Helfer
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Chronos said:This is an issue worth discussing:
http://www.arxiv.org/gr-qc/0304042
Do black holes radiate?
Authors: Adam D. Helfer
If these extreme energies are to be avoided, there must be a UV cutoff, perhaps imposed by the fine structure of our universe.
Black hole radiation refers to the emission of particles and energy from a black hole. This occurs due to the Hawking radiation, which is a quantum effect that causes particles to be emitted from the event horizon of the black hole, reducing its mass over time.
Black hole radiation occurs due to the Hawking radiation effect. According to this theory, virtual particle-antiparticle pairs are constantly being created and destroyed at the event horizon of the black hole. If one of the particles falls into the black hole, the other can escape and become real, resulting in the emission of energy and particles from the black hole.
Currently, we do not have the technology to directly observe black hole radiation. This is because the particles emitted are very weak and the radiation is in the form of infrared and radio waves, which are difficult to detect. However, scientists are working on developing new methods to potentially observe this phenomenon in the future.
No, black hole radiation does not violate the law of conservation of energy. This is because the energy that is emitted from the black hole is balanced by the decrease in mass of the black hole. As the black hole loses mass, it also loses energy, thus conserving the overall energy of the system.
Yes, black hole radiation can eventually cause a black hole to disappear. This process is known as "Hawking evaporation" and it occurs when a black hole loses all of its mass through the emission of radiation. However, this process is very slow and it would take billions of years for a black hole to completely evaporate.