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At the turn of the twentieth century, Lorentz understood the futility of mechanical support to explain the propagation of the electromagnetic field. He also discovered the theory of electrons. Meanwhile,…

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A decisive step was taken in the seventeenth century by Johannus Kepler in Germany, a renowned mathematician, the founding father of modern astronomy. Protestant of confession and thus little concerned…

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In addition to long-life radionuclides, a number of short-life radionuclides were present in the primitive solar system. Most of them have half-lives below a few million years. They have been…

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There are two methods for determining the absolute age of a rock, so-called radiochronology: The isochronous method The cosmogenic nuclide method These two methods are based on natural nuclear disintegration…

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