Here's why:

* Scientific Method: Astronomers use the scientific method to study the universe. They observe, collect data, formulate hypotheses, test those hypotheses, and draw conclusions based on evidence.

* Research and Analysis: They conduct research using telescopes, satellites, and other instruments to study celestial objects like stars, planets, galaxies, and black holes. They then analyze the data to understand the nature and behavior of these objects.

* Theories and Models: Astronomers develop theories and models to explain the universe's origins, evolution, and workings. They contribute to our understanding of fundamental physics and cosmology.

So, while they focus on a specific area of science, astronomers are undoubtedly scientists!