Astronomy's main purpose is to comprehend the physics of the universe. Astrologers utilise astronomical calculations to determine the positions of celestial bodies along the ecliptic and try to link celestial occurrences to earthly events and human problems. To examine or explain occurrences in the universe, astronomers continuously apply the scientific method, naturalistic presuppositions, and abstract mathematical reasoning. Astrologers explain happenings in the cosmos using mystical or religious reasoning, as well as traditional folklore, symbolism, and superstition mixed with mathematical forecasts. Astrologers do not always follow the scientific method.
Astrologers perform their profession geocentrically, believing the cosmos to be harmonic, changeless, and static, but astronomers have used the scientific method to conclude that the universe has no centre and is dynamic, spreading outward as predicted by the Big Bang theory. Astrologers think that a person's personality and future are determined by the location of the stars and planets. Astronomers have studied the actual stars and planets, but no evidence has been found to support astrological notions. Personality is studied by psychologists, and while there are many theories of personality, none of them are founded on astrology. This theory of personality is used by career counselors and life coaches but not by psychologists.