Here's a breakdown:
* Astronomers are scientists who study celestial objects like stars, planets, galaxies, and other astronomical phenomena. They use telescopes, satellites, and other instruments to observe and analyze these objects.
* Astrophysicists are a specialized branch of astronomy that focuses on the physical properties and processes of celestial objects, like the Sun's internal structure and energy generation.
While astronomers and astrophysicists are the primary experts, other fields also contribute to understanding the Sun, Moon, and stars:
* Astrogeologists study the geology of celestial bodies, including the Moon's surface.
* Planetary scientists focus on the formation, evolution, and properties of planets, including the Earth's interaction with the Sun and Moon.
* Space physicists investigate the interactions between the Sun, Earth, and other planets, including solar flares and their effects.
So, while astronomers are the main players, the study of the Sun, Moon, and stars involves a collaborative effort from various scientific disciplines.