Astronomical tradition · 600 BCE – 400 CE

Greek Astronomy

History of Astronomy

Overview

Greek thinkers transformed astronomy into a geometric science, seeking physical and mathematical models of the heavens. From Pythagoras and Aristotle to Hipparchus and Ptolemy, they measured the cosmos, catalogued the stars, and built the geocentric system that endured for over a thousand years.

Astronomers

HipparchusGreek

Discoveries

Precession of the Equinoxesc. 130 BCE

Knowledge connections

ContainsHipparchus
ContainsPrecession of the Equinoxes
ContainsThe Geocentric Model
Part ofAncient Astronomy

Sources & references

Facts on this topic will be cited from these primary and reference sources.

BritannicaEncyclopaedia Britannica
General reference for the history of astronomy, biographies, and cultural context.
IAUInternational Astronomical Union
Official naming, definitions, constellation boundaries, and astronomical nomenclature.

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