It encompasses a wide range of fields, including:

* Astronomy: Observing and understanding the celestial objects within the solar system.

* Astrophysics: Studying the physical properties and processes of these objects.

* Geology: Investigating the composition, structure, and evolution of planets and moons.

* Geophysics: Analyzing the internal structure and processes of planets and moons.

* Meteorology: Studying the atmospheres of planets and moons.

* Climatology: Analyzing the long-term weather patterns of planets and moons.

* Cosmochemistry: Studying the chemical composition of planets, moons, and other solar system objects.

Planetary science is an interdisciplinary field that draws from many different scientific disciplines to understand the formation, evolution, and properties of the solar system.