Constant 176Lu Decay Rate Over the Last 4.5 Billion Years

Constant 176Lu Decay Rate Over the Last 4.5 Billion Years

TNRTB Archive – Retained for reference information

Researchers have confirmed the constancy of the radioactive decay rate for 176Lu, thereby supporting the usefulness and accuracy of radioisotope dating techniques. A new model put forth by the young-earth community to explain the old ages determined from radioactive dating proposes that the radioactive decay rates were accelerated at various times in the past. A Canadian geologist measured the decay constant of 176Lu in meteorites formed in the early solar system by comparing formation dates determined by two different radioisotopes. Since these meteorites were not affected by the Genesis flood (they were not on the earth at the time), their decay rates history, according to the young-earth model, should have been different. However, the measured decay rates of the meteorites precisely matched the decay rates of terrestrial samples. This result argues against a model requiring accelerated decay and for RTB’s creation model, which presumes constant laws of physics.

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