Astrologists use their knowledge of the relative positions of celestial bodies and related details to understand, interpret, and organize information about personality, human affairs, and other terrestrial matters. A practitioner of astrology is called an astrologer. | Astrologists use their knowledge of the relative positions of celestial bodies and related details to understand, interpret, and organize information about personality, human affairs, and other terrestrial matters. A practitioner of astrology is called an astrologer. |