The mapping of the stars
Astronomy is a science. It is the study of the objects in the Universe. Stars, planets and comets are examined to determine their structure and origin. As a science it has links with other sciences like mathematics, physics and chemistry. Astronomy treats the Earth as one of millions of bodies in the Universe.
Astrology is a belief system. The belief is that the positions of the Sun, Moon and planets against the starry background influences peoples’ personalities and shapes their lives. An implicit assumption is that the Earth is a special part of the Universe.