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Posted by Mario Dovalina on July 7, 2001 13:30:33 UTC

Regardless of the calendar used, an earth-year is an earth-year. You may claim that the year is 4620, or 2001, or 5, or 204823. But the length of a year stays the same. It's one revolution around the sun, it is not a subjective measurement.

"Also, how would scientists even know how long something has been in earth? This is not very acurate because even though they used, heat, dust, gas, etc to based their experiments, they never know just what kind of gas the elements was exposed to, how much heat, for how long etc."

Carbon has a very specific half-life. It's not a measurement of gas and dust, it's a measurement of the current strength of carbon radiation extrapolated back through time. And it's quite accurate.

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