Are quark stars a realistic solution to the black hole singularity problem?

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Discussion Overview

The discussion revolves around the viability of quark stars as a solution to the black hole singularity problem, with some participants also mentioning neutrino stars. The conversation touches on theoretical aspects of gravity and the nature of dense matter states.

Discussion Character

  • Debate/contested, Conceptual clarification

Main Points Raised

  • One participant questions whether quark stars could realistically address the black hole singularity problem, suggesting a connection to neutrino stars.
  • Another participant asserts that quark stars and black holes are fundamentally different entities.
  • A separate contribution mentions that a solution to the singularity problem would need to explain gravitational interactions at very small scales, referencing tentative quantum gravity theories that suggest gravity may behave differently under such conditions.
  • A participant seeks clarification on the density of quark stars, specifically whether they could possess an event horizon visible to external observers.
  • One participant expresses confusion regarding the relevance of a talk on dark matter to the original question posed.

Areas of Agreement / Disagreement

Participants express differing views on the relationship between quark stars and black holes, with no consensus reached on the viability of quark stars as a solution to the singularity problem. The discussion remains unresolved regarding the implications of quark star density.

Contextual Notes

Some assumptions about the nature of quark stars and their comparison to black holes are not fully explored, and the discussion includes varying interpretations of quantum gravity theories.

rootone
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Is this a realistic solution to the black hole singularity problem,
Going beyond that, neutrino stars?
 
Astronomy news on Phys.org
No. A quark star is not a black hole or vice versa.
 
The only solution would be the one which explains gravity interactions on very small scales.
Some tentative quantum gravity theories predict that gravity on very small scales is asymptotically safe or even asymptotically free.
 
Thanks.
I thought this interesting, but it doesn't get going until about 20m in.
 
How is a talk by Dan Hooper on dark matter relevant for the topic of the OP? I am not going to watch an hour of a popular talk just to figure this out.
 
OK thanks.
An improved version of my question is this?
Quark star is a hypothetical state state of matter which is more dense then a neutron star, but not a black hole.
Is it so dense that it would have an event horizon as far as an external observer can see?
 
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No.
 

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