Astrology is a group of systems, traditions, and beliefs which hold that the relative positions of celestial bodies and related details can provide information about personality, human affairs and other "earthly" matters.A practitioner of astrology is called an astrologer. Astrologers generally believe that the movements and positions of celestial bodies can inform them about events experienced on a human scale or that predictions can be made from them.[1][2] Many astrologers see astrology as being a purely symbolic language whereas others see the movements and positions of celestial bodies as influencing human and mundane affairs, either causally or otherwise.[3][4]Despite differences in definitions, a common assumption of astrologers is that celestial placements can aid in the interpretation of past and present events, and in the prediction of the future.