Astrology · Guide
Renaissance astrology and its separation from astronomy
Manuscripts, printing and celestial calculation: why astronomers’ involvement does not validate astrology as science.
Editorial illustration.
Shared tools, different questions
Astronomy and astrology long shared calculations and tables. A planet’s position can be checked against observation. A claim about what that position means for someone’s life requires a separate test.
The example of Kepler
Johannes Kepler worked with astrology alongside his astronomical research. This is a historical fact about his activities. It does not give every astrological claim the same evidential basis as the laws of planetary motion.
What the change means
Instead of a story of “superstition becoming proven astrology”, trace which methods became more precise and which claims remained contested. Observation, printed editions and criticism can then be considered without choosing a winner in advance.
Astrology · Guide
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Astrology in ancient Rome: practice and public life
The Roman setting of Greek-language astrology and the distinction between personal readings and political prediction.Hellenistic astrology and the language of horoscopes
How Hellenistic astrology took shape through earlier traditions and Greek-language authors.From prediction to psychological interpretation
How the language of some modern astrological schools changes, and why a psychological metaphor is not a diagnosis.