Rick Robson
Active Member
I think the point Nolan is trying to make here is if we find a piece of material that is (1) clearly engineered and (2) has significant deviations in stable isotope ratios it is probably not engineered by humans, since humans currently have (or had, when the piece was found) no application for this deviating stable isotope ratios (so why put in the effort).
Those were the points he's made on various occasions.
In that case, it's either engineered by someone else, or it came from a different star system (assuming that naturally occurring stable isotope ratios are formed inside a star and deviate from one star system to another). You just added another interesting possibility: It has been in space for quite a while.
Good and interesting point you make here, either Nolan is right about that piece of material being clearly engineered by someone else or he's dealing with material come from another star system. Anyway, more further studies are supposed to be carried out until release of a definitive version for peer review, let us wait and see that paper.
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