Here's why:
* Observations: Astronomers use telescopes and other instruments to observe celestial objects and gather data. This data is then analyzed to form hypotheses and theories.
* Experimentation: While not directly experimenting on celestial objects, astronomers can recreate conditions in labs to test their theories. For example, they can create models of stars or galaxies to study their behavior.
* Scientific Method: Astronomers follow the scientific method to test their hypotheses and theories. This involves formulating a hypothesis, designing an experiment, collecting data, analyzing the results, and drawing conclusions.
Opinions and beliefs have no place in astronomy. The field is based on evidence-based reasoning and verifiable facts, not on personal opinions or subjective beliefs.
It's important to differentiate between astronomy and astrology, which is a belief system that attempts to interpret the positions of celestial objects and their supposed influence on human affairs. Astrology is not a science and is not based on scientific evidence.