The role of the divine in astrology varies considerably. In its most rigorous aspect, astrology postulates a totally mechanistic universe, denying to the deity the possibility of intervention and to man that of free will; For some, however, astrology is not an exact science like astronomy, but merely indicates trends and directions that can be altered either by divine or by human will. The use of astrology in predictions is considered an art for a reason. Not only must the astrology expert interpret the birth chart and the current astrological phenomena, but the astrology expert must also interpret any astrological phenomena that may have altered the personality of the individual over time. This useful introduction to astrology will enable you to get the most from your horoscopes and astrology readings.