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Originally Posted by grant hutchison
Ah, the Argument from Repeated Protestations of Increasing Loudness. One of my favourites. 
Sorry. Couldn't resist. Just teasing.
Seriously: Carter's argument would say that your NEO is just the sort of catastrophe needed to explain our apparent location near the End of Days. And that the billion-year civilization is of course possible ... just unlikely, given how close to the start of it all we find ourselves.
Grant Hutchison |
So a NEO or other global disasters would be more unlikely if fewer people had lived? Personally Im more confident about humanitys chances of a continued long existence with six billion individuals than if there were only, say, a hundred thousand. The more people, the more likely someone will pull through a major disaster and be able to continue reproducing.