>It did NOT evolve on planet earth.
Panspermia is pretty laughable really. Have you seen a meteor flashing across the sky at night? Pretty much anything organic is going to be roasted. Then there's larger ones that stay cooler inside - how do you get them off a planet - given it would take something like a meteor impact on that said planet and that can shatter quartz so dna stands no chance. And if it did stand a chance how can it have evolved to survive the radiation that space will fling at it for the billions of years it needs to realistically travel between the stars?
And then there is the really bit question - if it didnt start on earth where did it start and how? Panspermia is slightly less likely than God and just as lazy a conclusion.
Biting the hand that feeds IT
