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From what I’m able to observe most people who believe that there’s life on other planets usually believe it because, they say, there are so many planets in the universe probability has it that there must be life somewhere.
But it seems to me that the number of planets in the universe is only half of the probability equation. The other half is what are the chances that life will occur in any one place. That is, the fact that life occurred on earth might be such a freak of nature that even a billion more universes over thousands of billions of years could not replicate it again. So what I’m saying is that we need to first know how life is made before we can determine this question using probability.
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