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The age of the Earth has been one of the most controversial numbers in science since the 17th century.
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Key Phrases - Statistically Improbable Phrases (SIPs):
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primeval lead, primeval abundances, radiogenic lead, lead isotopes, planetary science, planetary physics, stellar energy, stellar evolution, evolutionary track, nebular hypothesis, many geologists
Key Phrases - Capitalized Phrases (CAPs):
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Nebulous Earth, Lord Kelvin, Big Bang, Steady State, Second Law of Thermodynamics, Arthur Holmes, Cambridge University, United States, Archibald Geikie, Charles Darwin, Charles Lyell, Fred Hoyle, Fruitful Encounters, Nobel Prize, Origin of Species, Alfred Nier, Elie de Beaumont, George Gamow, Ice Age, Principles of Geology, Professor of Geology, Professor of Physics, Thomas Gold, University of Minnesota, Cecilia Payne
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