- noun an ancient but still popular system of attempting to predict the future from astronomical events
- The ancient but still popular superstition for attempting to predict the future from celestial portents. Mocked by most (but not all) modern scientists, astrology separated from respectable astronomy in the 17th century as knowledge of the solar system grew, weakening the argument that the positions of the planets in the sky could affect our fortunes. Astrology apparently immune to extinction despite scientific advance and the spread of education.
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