Ptolemy compiles the Almagest
Approximate date · Calendar as reported in the source (not converted) · Date as reported
Ptolemy’s astronomical synthesis set out a geocentric mathematical model of planetary motion.
- Type
- astronomy publication
- Category
- astronomy theory
- Organization
- Claudius Ptolemy
- Participants
- Claudius Ptolemy
Sources and attribution
- NASA HEASARC — 1–999 CE (opens in a new tab) — Factual summary; source attribution retained.