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Whose discoveries first revealed the age of the Earth through radioactivity?
ScienceChemistry
Quick Answer
Marie Curie’s research on radioactivity helped open the way to radiometric dating and modern nuclear science. She shared the 1903 Nobel Prize in Physics and won a second Nobel Prize in Chemistry in 1911.
The Full Story
Marie Curie was a pioneer in the study of radioactivity, a term she helped popularize after discovering that some elements emitted rays spontaneously. With Pierre Curie and Henri Becquerel, she shared the 1903 Nobel Prize in Physics. In 1911 she won the Nobel Prize in Chemistry for her work isolating radium and polonium. Her research made later radiometric dating possible, which scientists use to estimate the age of rocks and the Earth.
Key Facts
1.1903 Nobel Prize in Physics
2.1911 Nobel Prize in Chemistry
3.Discovered polonium and radium
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