It has long been known that the ancient Babylonians were great astronomers and mathematicians. Already in Hellenistic times Greek authors like Strabo credited the Babylonians with inventing mathematics and astronomy and the discovery of cuneiform clay tablets from the nineteenth century onward has confirmed this notion. Babylonian priests meticulously kept track of the movements of heavenly bodies, since they believed that the paths of the stars and planets had been established by the gods and thus influenced the events on earth. By using advanced mathematics they were able to calculate the paths of the planets and the stars across the night sky and predict lunar eclipses. Up until now it had been believed that these Babylonian astronomers only used simple arithmetics to calculate planetary movements, but a new discovery by Mathieu Ossendrijver, professor of history at Berlin’s Humboldt University, implies that they had knowledge of complex geometry that foreshadowed the development of calculus.
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