Question about speed of light and information

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Discussion Overview

The discussion centers around the implications of information loss in black holes and the limits of our observational capabilities in the universe. Participants explore the nature of models in cosmology, the value of speculation in physics, and the relationship between observable phenomena and theoretical constructs.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • Some participants propose that the existence of black holes raises questions about information loss and the nature of the universe beyond observable limits.
  • Others argue about the value of speculating on unobservable regions, suggesting that while it may be reasonable, it remains speculative without experimental confirmation.
  • A participant mentions that models must be constrained to what can be observed, indicating that implications for unobservable areas are speculative.
  • There is a discussion about the accuracy of current models like ##\Lambda##CDM, with some asserting it provides a good description of the universe despite potential discrepancies.
  • Some participants express skepticism about the adequacy of existing models, questioning their ability to accurately describe phenomena like dark matter and dark energy.
  • Indirect evidence for phenomena such as black holes is discussed, with varying opinions on the validity of extrapolating from observable data to unobservable regions.
  • Concerns are raised about the implications of assuming the same physical laws apply in regions we cannot observe, with references to quantum theory and its discoveries.

Areas of Agreement / Disagreement

Participants do not reach a consensus; multiple competing views remain regarding the validity of speculation in physics, the accuracy of current cosmological models, and the implications of unobservable regions on our understanding of the universe.

Contextual Notes

There are limitations in the discussion regarding definitions of "out of our scope," the nature of indirect evidence, and the assumptions underlying current cosmological models. The relationship between observable phenomena and theoretical implications remains unresolved.

  • #61
Light does not 'leave' a black hole, it only leaves its immediate vicinity.
 

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