William David Ross
G. J. Toomer
Aristides Quintilianus (3rd cent.
J. T. Vallance
The art of converting astronomical data (i.e. the positions of the celestial bodies) into predictions of outcomes in human affairs. Astrology developed in the Hellenistic age, essentially as an import from Babylon, which equally furnished many of its astronomical parameters. *Alexandria (1) was its major centre. By the 1st cent.
There are several branches of astrology, of which the most important is genethlialogy, the art of foretelling an individual's life from the positions of the stars (i.e. sun, moon, planets, and fixed stars) at birth or conception; see