Discovery Board
Book or paper

Astronomy Engine (Don Cross), Python package; VSOP87 planets, ELP Moon. Used by scripts/odyssey_dates.py

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How it connects

This book or paper is where we read about Base rate: the Odyssey's clues fit some new Moon about once every 64 years
This book or paper is where we read about Europe had nearly the same view of the 1054 star as China