Yep, it is an impossibility!
Even if an event has a small probability of occurring (10^-123), that
event has a probability of 1 ( 100%) to occur if performed often
enough.
Therefore, if the "equations of the universe" permit the existence of
(intelligent) life based on a probabilistic model, then, no matter how
"unlikely" is the emergence if life ( 10^-123) , life will occur.
And even better for us, we would not notice this "long" wait for its
occurrence since we are the product of its occurrence. Its as if life
appeared the "fist shot" in that probabilistic model.
According to Penrose, the odds against such an occurrence were on the order
of 1010123 to 1.
It is hard even to imagine what this number means. In math, the value 10123
means 1 followed by 123 zeros. (This is, by the way, more than the total
number of atoms 1078 believed to exist in the whole universe.) But Penrose's
answer is vastly more than this: It requires 1 followed by 10123 zeros.
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