However, there are other related terms, depending on the specific focus of their study:

* Astrophysicists: Focus on the physical properties of celestial objects, including their composition, structure, and evolution.

* Cosmology: Study the origin, evolution, and large-scale structure of the universe as a whole.

* Planetary scientists: Focus specifically on the study of planets, including their formation, geology, and atmospheres.

It's worth noting that the distinction between these fields can be blurry, and many individuals may hold expertise in multiple areas.