Hipparchus (n)

n11051376

type n
lex_filenum 18
def Greek astronomer and mathematician who discovered the precession of the equinoxes and made the first known star chart and is said to have invented trigonometry (second century BC)
Outgoing links
Instance Hypernym astronomer, uranologist, stargazer; mathematician
Incoming links
Instance Hyponym astronomer, uranologist, stargazer; mathematician

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