Answer:
Based on word roots, "astronomy" is derived from two Greek words: "astron," which means star, and "nomos," which means law or order. Therefore, "astronomy" refers to the scientific study of stars, planets, galaxies, and other celestial objects, as well as their physical and chemical properties, movements, and interactions. Astronomy also encompasses the study of the origin and evolution of the universe, and the laws that govern its behavior.
Step-by-step explanation: