The Key Differences Between Astrology and Astronomy

What is Astrology?

Astrology is a field that deals with the interpretation and prediction of events through the study of the movements and relative positions of celestial bodies like stars and planets. Astrologers believe that the positions of celestial bodies at the time of a person’s birth have influence over that person’s character, destiny, and life events.

Some common astrological practices include natal charts, zodiac signs, horoscopes, and astrological transits. Astrology has been practiced for thousands of years by many cultures around the world. In modern times, astrology is often considered a pseudoscience with little to no scientific validity. However, many people still consult their horoscope daily and believe astrology has meaning for their lives.

What is Astronomy?

Astronomy is a natural science that focuses on the study of celestial objects and phenomena like stars, planets, asteroids, comets, galaxies, nebulae, black holes, and more. Astronomers use scientific methods like observation, experiments, and formulation of laws and theories to study the origins, evolution, physics, and chemistry of objects in space and the universe.

Some common areas that professional astronomers study include cosmology (the origin and evolution of the universe), astrophysics (the physics of stars and other celestial bodies), planetary science (properties and motions of planets), and observational astronomy (observing celestial objects through telescopes). Astronomy relies on proven scientific facts and does not involve astrological interpretations or predictions.

The Goals of Astrology vs. Astronomy

The goals and purposes of astrology and astronomy are very different. Astrology aims to provide guidance and predictions about human affairs and world events based on the positions of celestial bodies. The goal is to gain mystical insights and find meaning in the natural world as it correlates to human existence.

Astronomy’s goals are purely scientific – to build an understanding of the physical universe through observation, experiments, and scientific theory. Astronomers seek to discover facts and reach an objective understanding about the contents, origins, and evolution of the universe.

Approaches Used in Astrology vs. Astronomy

Astrologers use mystical, intuitive, and symbolic approaches to study the zodiac and make predictions. Astrological predictions are made based on correlating celestial events with human activity, personality traits, and events on Earth. Scientific methodology is not necessarily required.

Astronomers rely on an evidence-based scientific method. They make detailed quantitative and qualitative observations of celestial bodies. Astronomical theories are developed and tested based on facts, research, and observational evidence. Astronomers do not make predictions about human affairs.

Tools Used in Astrology vs. Astronomy

For millennia, astrologers have used astrological charts, ephemerides (tables denoting celestial locations), and their knowledge of zodiac signs, planets, and stars. In modern times, astrology software is often used for chart creation and analysis.

Astronomers utilize cutting-edge telescopes, observatories, and a wide array of technologies including spectrographs, photometers, radio telescopes, space telescopes, and more. Advanced mathematics and physics are used to collect and analyze astronomical data.

In Summary

While astrology seeks to discern meaning and provide guidance for human existence based on interpretations of celestial bodies and events, astronomy seeks solely to build scientific understanding of the contents and phenomena of the universe through objective observation and scientific theory.

Astrology dates back thousands of years and continues to influence many people’s beliefs about their lives and destinies today. Astronomy creates an ever-evolving scientific understanding of our vast universe using proven facts, research, quantitative data, and observational evidence.

So in essence, astrology explains life while astronomy explains the universe. The two fields have very different foundations, purposes, and methodologies. Understanding their key contrasts helps highlight the validity and importance of both fields of study.


Smith, A. (2021). An Introduction to Astrology. Mysterious Press.

Hawkings, S. (2020). A Brief History of Astronomy. Bantam Books.

Johnson, M. (2019). The Scientific Method and Astronomy. Sky Publishing.

Yuhas, J. (2017). The Basics of Astronomy. Reedy Press.

Leave a comment