Quote:
Originally Posted by JJDOBBER79
Therefore, IMHO, it is absolutely irrational to believe that we are the only planet out of that huge number that had a comet crash into it bringing the ingredients necessary for life, if indeed that is what happened. Whatever happened to us, it has to be obscenely unlikely (almost impossible) that it didnt happen to any other planets.
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+1
I believe nothing special has happened on our planet.... given the abundance of hydrogen/oxygen/carbon/nitrogen in the universe, I think anytime a rocky planet ends up in the habitable zone of a star, that the sort of processes that lead to life on earth start up.... eventually....