Astrology is the study of celestial bodies as they relate to destiny, personality, human affairs, and natural events.  The primary astrological bodies are the Sun,Moon, and planets, which are analyzed by their relative positions to one another (aspects), by their placement in 'houses' (spatial divisions of the sky) and their movement through signs of the zodiac (spatial divisions of the ecliptic).   Astrology’s origins trace to the third millennium BCE. Ancient civilizations developed it as a system to predict seasonal shifts and interpret celestial

cycles as ‘signs’ of ‘divine communications’. Historically it was a learned tradition, sustained in courts, cultural centers and universities, and closely related to the studies of astronomy, alchemy, meteorology, and medicine. But despite their closely connected histories, astrology and astronomy broke apart at the end of the 17th century, when astronomy redefined many of the theoretical concepts the two disciplines had previously shared. Subsequently, astrology suffered a decline of academic and theoretical credibility. The 20th century brought renewed attention, partly through the popularizing effect of newspaper horoscopes and New Age philosophies, and through re-kindled intellectual interest in testing astrology's claims statistically.