Centuries of Celestial Records - Sumerian cuneiform tablets from the 1700s BC list more than 7,000 celestial omens. At that time, astrology was focused on what was currently happening in the night sky, as the future movements of the planets was difficult to predict. However, by the 4th century BC they had a fairly reliable system for predicting future planetary movements too. Ancient stargazers ancient-origins.net/history-ancient-traditions/babylonian-astrology
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