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Sidereal Years — Catalogue Uses in Archaeoastronomy
Published online by Cambridge University Press: 19 July 2016
Extract
In ancient societies the Sun was the natural time marker in daytime and base for the calendar. At night, however, the stars, their movements, risings and settings, disappearence and reappearence served quite obviously as time-keepers, and people were not always conscious that they measured time using two slightly but fundamentally different clockworks.
- Type
- Part 3: Concepts, Definitions, Models
- Information
- Symposium - International Astronomical Union , Volume 141: Inertial Coordinate System on the Sky , 1990 , pp. 197 - 198
- Copyright
- Copyright © Kluwer 1990