Quote:
Originally Posted by A.DIM
I agree, but no one suggested infallability.
More often than not skeptics of an idea call for peer reviewed evidence, but here it seems you, among others, might simply dismiss the claim that this supports panspermia.
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As I've mentioned before, if and when somebody finds earthlike life on/in Mars, comets or whatever, then I'd get interested in the panspermia hypothesis. Obviously, experimental contamination would need to be ruled out, and there would need to be pretty solid verification of not just life (bacteria, for example) but that the life was recognizably similar to Earth life (similar DNA, and so forth).