Two Black Holes: Reactions and Behavior

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SUMMARY

The discussion centers on the interactions between two black holes, emphasizing that their primary reaction will be gravitational. When two black holes approach each other, they may either collide and merge, enter a mutual orbit that decays due to gravitational radiation, or pass by with minimal change. The likelihood of an immediate collision is negligible, and stable orbits are not possible due to the inevitable merger caused by gravitational radiation. Additionally, black holes do not explode, and they typically exist at the centers of galaxies with masses millions of times that of the sun.

PREREQUISITES
  • Understanding of gravitational interactions in astrophysics
  • Knowledge of black hole physics and their properties
  • Familiarity with gravitational radiation concepts
  • Basic comprehension of galaxy structures and central black holes
NEXT STEPS
  • Research gravitational wave detection and its implications for black hole mergers
  • Study the lifecycle of black holes and conditions for their formation
  • Explore the dynamics of binary black hole systems and their orbital mechanics
  • Investigate the role of supermassive black holes in galaxy evolution
USEFUL FOR

Astronomers, astrophysicists, and students interested in black hole dynamics and gravitational physics will benefit from this discussion.

KnowPhysics
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What will happen if two black holes are coming nearby? what will be the reaction (change in behavior)?
 
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The major effect will that of gravity. They may collide and merge. The may lock into some sort of orbit around each other. They may just pass with some change in direction.
 
Last edited:
If they pass near one another slowly enough, then they will enter into a mutual orbit that gradually decays through gravitational radiation, eventually merging into one, larger black hole. The probability of them colliding straight away is so small as to be negligible.
 
mathman said:
The major effect will that of gravity. They may collide and merge. The may lock into some sort of orbit around each other. They may just pass with some change in direction.

I don't think it's possible for a stable orbit to occur. The orbit will always decay due to gravitational radiation, leading to a merger.
 
ok. even i thought same both will merge and create more powerful black hole(High gravity) because of higher mass. here arise another question when it will explode? any specific condition?
 
KnowPhysics said:
ok. even i thought same both will merge and create more powerful black hole(High gravity) because of higher mass. here arise another question when it will explode? any specific condition?
Black holes can't explode.
 
At the center of most (if not all) galaxies are block holes with masses many millions time that of the sun.
 

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