From Ross Andersen at Atlantic:
We can’t extrapolate from our experience on this planet, because it’s only one data point. We could be the only intelligent beings in the universe, or we could be one among trillions, and either way Earth’s natural history would look the exact same.
We certainly don’t have grounds to say that the “odds are high” that some civilization preceded ours, or enough evidence to suggest that skepticism about the possibility “borders on the irrational.” More.
That’s the trouble. 1 is not a good number to work with when assessing probability.
See also: NASA “shameful” in not looking harder for alien life? Are these people willing to grasp the possibility that we might BE alone? For whatever reason.
How do we grapple with the idea that ET might not be out there?
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