Hipparchus

Hipparchus’ work laid the foundation for future astronomical studies. He is often regarded as the greatest astronomer of antiquity

Hipparchus observed a solar eclipse and his observations helped refine the calculation of the moon’s orbit

Hipparchus developed the first known trigonometric table

Hipparchus measured the positions of stars and created the first known star catalog

Hipparchus studied astronomy in Alexandria, Egypt

Hipparchus was born in Nicaea, Bithynia (now modern-day Iznik, Turkey)