Cosmology encompasses various scientific disciplines, including:

* Astronomy: Observing and analyzing celestial objects like stars, planets, galaxies, and nebulae.

* Astrophysics: Applying physics principles to understand the physical properties and processes of celestial objects.

* Astroparticle physics: Studying the interaction of particles in the universe, particularly at high energies.

* General relativity: Developing theories about gravity and the structure of spacetime.

* Particle physics: Understanding the fundamental particles and forces that make up the universe.

Cosmology aims to answer fundamental questions about the origin, evolution, structure, and composition of the universe.