Founders of Geodesy and Astronomy: Eratosthenes and Hipparchus

Shifting Stars

Improved Ancient Instruments

Athenian Constitution 13-19 Notes on the Governance and Tyranny of Peisistratus in Ancient Athens

SAT Practice 7 - March 29, 2026 - Reading and Writing Notes

Ancient Greek Astronomy - Part 5

Notes on Classical to Islamic Scientific Traditions (Overview)

ASTR 1P01 - Lecture 3: Ancient Astronomy Summary

Ptolemy: Consolidating Knowledge

Study Notes on Greek Astronomy and Earth's Shape

Herodotus, Histories chapter 5 section 62-78 In-Depth Notes on the Athenian Struggle Against Despotism and Rise of Cleisthenes

ch 2.2 readings

Trigonometry: Key Concepts and Practice Problems (Quick Notes)

Athens and the Persian Wars: Solon, Pisistratus, and Cleisthenes

Greeks Create Space for Science

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History-of-Astronomy

Brightness of Stars: Luminosity, Apparent Brightness, and the Magnitude Scale

Early Astronomy & Retrograde motion

Pre-Modern Greece Chronology and Key Historical Events