Babylon

Babylonian Astronomical Diaries

Nightly, unbroken astronomical recordkeeping sustained for over six centuries argues that pattern recognition alone, without any theory of why the heavens move as they do, is enough to make prediction reliable, the foundation of the mathematical astronomy that followed.

A continuous, night-by-night record of planetary positions, lunar phases, eclipses, and weather kept by Babylonian temple astronomers, later editions folding in grain prices and river levels alongside celestial data, sustained across an extraordinary six centuries into the Hellenistic and Parthian periods. Modern reconstruction of the series, based on the editio princeps by Abraham Sachs and Hermann Hunger, has become indispensable for dating events across the ancient Near East by cross-referencing recorded eclipses against modern astronomical calculation, and the diaries' long habit of pure observational recordkeeping, prediction without causal theory, is now understood as the empirical foundation on which later mathematical astronomy, in Babylon and eventually in Greece, was built.

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Descends from

  • MUL.APIN · c. 10th century BC (compiled from older material; the earliest surviving dated copy is from 686 BC, found at Assur)
  • Enuma Anu Enlil · c. 12th-11th century BC (canonization of a tradition drawing on centuries of older observation, including material related to the Venus Tablet)

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