About this document
Vettius Valens by ctolsa is a document available to read on EtoBox.
This document summarizes an ancient astrological text by Vettius Valens from the 2nd century AD. It describes surprisingly simple mathematical methods Valens provides for calculating the longitudinal positions of planets like Saturn, Jupiter, and Mars based on sidereal periods. However, these methods are shown to be inaccurate and Valens likely included them for completeness despite being aware of their limitations. The purpose and context of including these methods is unclear, as more accurate astronomical
- Author
- ctolsa
- Language
- EN