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Babylonian Astronomers ­sed Geometry to Track Jupiter

Babylonian cuneiform tablet

This Babylonian tablet, written in cuneiform script, contains geometric calculations used to track the motions of Jupiter.

Credit: The Trustees of the British Museum

A reanalysis of markings on Babylonian tablets has revealed that astronomers working between the fourth and first centuries bc used geometry to calculate the motions of Jupiter—a conceptual leap that historians thought had not occurred until fourteenth-century Europe.

From Nature
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