@1323 meet @5758 (Hipparchus triangle) Hipparchus of Nicaea was a Greek astronomer, geographer, and mathematician. the founder of trigonometry but is most famous for his incidental discovery of precession of the equinoxes. Hipparchus was born in Nicaea ✝️ https://twetch.app/t/18283dadd8b92f715941d16f83af5bba9a45f4146b45bd2e83d7480b864b1ed2