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The age of the Earth from "summary" of The Magic of Reality by Richard Dawkins
The age of the Earth is a concept that has intrigued scientists for centuries. Through the use of various scientific methods, researchers have been able to determine that our planet is approximately 4.54 billion years old. This estimation is based on a variety of evidence, including the age of the oldest rocks on Earth, the decay rates of radioactive elements, and the ages of meteorites that have fallen to Earth from space. One of the key pieces of evidence used to determine the age of the Earth is the presence of radioactive isotopes in rocks. By measuring the decay rates of these isotopes,...
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