Black Hole Singularity of a Universe

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SUMMARY

The discussion centers on the concept of the universe originating from a singularity, as proposed by Stephen Hawking. It explores the possibility that energy from a black hole in another space-time could lead to the creation of infinite universes, a theory supported by Lee Smolin's writings. While general relativity predicts a singularity at the universe's inception, skepticism exists regarding its validity under extreme conditions. The need for a quantum theory of gravity, such as Horava gravity, loop quantum gravity, or string theory, is emphasized to better understand these phenomena.

PREREQUISITES
  • Understanding of general relativity (GR)
  • Familiarity with quantum gravity theories, including Horava gravity and loop quantum gravity
  • Knowledge of cosmology and the Big Bang theory
  • Awareness of multiverse theories and their implications
NEXT STEPS
  • Research the implications of general relativity in extreme densities
  • Study Lee Smolin's theories on black holes and hidden universes
  • Explore modern quantum gravity theories, focusing on string theory
  • Investigate the concept of multiverses and their scientific basis
USEFUL FOR

Astronomers, physicists, cosmologists, and anyone interested in the origins of the universe and the interplay between black holes and singularities.

tkopunek
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In a recent lecture by Stephen Hawking he mentions that our universe started as a singularity. Can this singularity be caused by energy from a Black hole in another space and time? This in turn would mean that an infinite number of universes can be and are created.
 
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Lee Smolin wrote a lot about that idea, including a book.
 
That the universe began in a singularity is prediction from general relativity (GR) but most people think we can't trust GR in the extreme densities encountered in this era hence I think few people really believe there is a singularity in our past.. A quantum theory of gravity is needed to analyse what happened here. Modern quantum theories like Horava gravity, loop quantum gravity and string theory imply the universe existed before the big bang. Of course they might all be wrong, we shall have to see.

As MFB pointed out Smolin has suggested what you say and there is also another proposal which has the same conclusion:
http://io9.com/5596712/every-black-hole-may-hold-a-hidden-universe

Its important to note that neither of these ideas have really caught on.
 

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