Radiometric dating indicates that the earth is approximately how old

This age has been determined with the radioactive dating technique.The precise decay rate of radioactive elements is used as a clock: the number of daughter products in one rock indicates its age.

Lead isotope isochron that Clair Patterson used to determine the age of the solar system and Earth (Patterson, C., 1956, Age of meteorites and the earth: Geochimica et Cosmochimica Acta 10: 230-237).Most likely, that is the least important source of error.If those rocks really have been sitting around on the moon for billions of years, I suspect that the the wide range of physical and chemical processes which occurred over that time period had a much more profound effect on the uncertainty of the age determination.Astronomers use images captured by the Hubble telescope to further our understanding of the origin of the universe and solar systems.As someone who has studied radioactivity in detail, I have always been a bit amused by the assertion that radioactive dating is a precise way to determine the age of an object.

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