The basic astrological assumptions are not hard to grasp. For if astronomy is the study of the movements of the heavenly bodies, then astrology is the study of the effects of those movements. The astronomers of the ancient world assumed a division of the universe whereby the superior, immutable bodies of the celestial worlds ruled over the terrestrial or sublunary sphere, where all was mortality and change. It was assumed that the stars had special qualities and influences which were transmitted downwards upon the passive earth, and which varied in their effect, according to the changing r…
