Cosmology definition in physics

Cosmology topics
The cosmological principle is a fundamental principle and assumption of cosmology stating that, on a large scale, the universe is both homogenous and isotropic.
In other words, the cosmological principle posits a relatively uniform universe.
The cosmological principle is the second pillar of the Big Bang Model..
What is cosmology in physics?
Physical cosmology is the branch of physics and astrophysics that deals with the study of the physical origins and evolution of the universe.
It also includes the study of the nature of the universe on a large scale.
In its earliest form, it was what is now known as "celestial mechanics", the study of the heavens..

Cosmology topics