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Radiometric dating of the earth

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Can we determine the age of the earth, and if so, how? Scientists generally agree that the answer to the riddle of the age of the earth is carefully concealed within the earth's crust. Thus, the geologic timescale and radiometric dating have been developed in an effort to determine the age of the earth. The older of the two dating methods, the geologic timescale, is actually a circular argument and is therefore considered by many scholars to be weak. Nevertheless, the geologic timescale was thought to have been redeemed and refined with the advent of radiometric dating. Radiometric dating is more objective, and thus, more substantial.

How is Earth's Age Calculated?

Radiometric dating of the earth
Radiometric dating of the earth
Radiometric dating of the earth

How Good are those Young-Earth Arguments: Radiocarbon Dating

When asked for your age, it's likely you won't slip with the exception of a recent birthday mistake. But for the sprawling sphere we call home, age is a much trickier matter. Before so-called radiometric dating, Earth's age was anybody's guess. Our planet was pegged at a youthful few thousand years old by Bible readers by counting all the "begats" since Adam as late as the end of the 19th century, with physicist Lord Kelvin providing another nascent estimate of million years. Kelvin defended this calculation throughout his life, even disputing Darwin's explanations of evolution as impossible in that time period.

Age Of The Earth

Radiometric dating involves dating rocks or other objects by measuring the extent to which different radioactive isotopes or nuclei have decayed. Although the time at which any individual atom will decay cannot be forecast, the time in which any given percentage of a sample will decay can be calculated to varying degrees of accuracy. The time that it takes for half of a sample to decay is known as the half life of the isotope.
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17 comment    

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