The probability of a civilization developing on a potentially habitable alien planet would have to be less than one in 10 billion trillion for humanity to be the first technologically advanced species the cosmos has ever known, according to a new study.
The probability of a civilization developing on a potentially habitable alien planet would have to be less than one in 10 billion trillion for humanity to be the first technologically advanced species the cosmos has ever known, according to a new study.
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