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Message: <blockquote data-quote="priyade" data-source="post: 29200594" data-attributes="member: 565365">But on the other hand if alien bodie comes from a world where caben 14 is similarly available, then there bodies have carbon 14 decayed ,Other thing is if for an Earth body,  to do a a carbon dating you need to know how much carbon 14 was there when died, so don't it vary to person to person? I mean m(t) = 100 \, e^{-0.000121 \, t} where m(0) initial can be very from person to person?</blockquote>

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