B Questions about the Timeline of the Big Bang

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The discussion centers on understanding the timeline of the Big Bang and the nature of observations versus inferences in cosmology. It is clarified that while direct observation of epochs before Recombination is not possible, measurements of light element abundances from early stars provide empirical support for theoretical predictions. The applicability of Hawking and Penrose's singularity theorems is debated, concluding that these theorems do not accurately describe the early universe due to its unique conditions. Participants emphasize the distinction between mathematical and physical relevance, noting that while singularity theorems hold mathematically, they may not apply to the actual universe's dynamics. The conversation highlights the importance of using credible sources for understanding complex cosmological concepts.
  • #31
Cerenkov said:
It looks like I may well have further questions about the SEC. If that's so, then should I post them here, as a continuation of this thread, or begin a new one?

Please start a new thread. If it's a general question about energy conditions, not particular to cosmology, it should probably be in the relativity forum instead of this one. For example, questions arising from the paper you linked to would fall into this category.
 
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  • #32
enorbet said:
Whew! Gentlemen, thank you... that helped. For a minute there I was beginning to imagine giant caterpillars smoking hookas might be real ;)
They ARE real. Just not in our universe :smile:
 
  • #33
PeterDonis said:
Please start a new thread. If it's a general question about energy conditions, not particular to cosmology, it should probably be in the relativity forum instead of this one. For example, questions arising from the paper you linked to would fall into this category.

Thank you for the advice Peter. I'll do just that.

Cheers.

Cerenkov.
 

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