SORU: boş bırakılan yere parçanın anlam bütünlüğünü sağlamak için getirilebilecek cümleyi bulunuz
Astronomy is the study of the universe and the celestial bodies, gas, and dust within it. Astronomy includes observations and theories about the solar system, the stars, the galaxies, and the general structure of space. People who study astronomy are called astronomers. ----. These methods usually involve ideas related to the laws of physics, so most astronomers are, at the same time, astrophysicists.