Who are the person studing celestical bodies?

Individuals who study celestial bodies are called astronomers. They investigate the universe's phenomena, including stars, planets, moons, comets, and galaxies, using telescopes and other instruments. Their work involves both observational and theoretical aspects, contributing to our understanding of the cosmos and its origins. Some astronomers also specialize in astrophysics, which focuses on the physical properties and behaviors of these celestial entities.