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oct 1, 12 BC - Hipparchus: He discovered the precession of the equinoxes. This is documented by Pliny the Elder. Hipparchus discovered this by observing the alterations in the measured positions of the stars proving from a moving earth.

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History of Astronomy Timeline

ByAndie Doscher
4 Dec 2021
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Date:

oct 1, 12 BC
Now
~ 2040 years ago
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