Answer:
Cosmos is a Greek word which is used for universe. Study of cosmos means study of universe which is known as cosmology. Cosmology is a branch of physics in which evolution of universe and composition of universe is studied.
Explanation:
Cosmos is a Greek word which is used for universe. Study of cosmos means study of universe which is known as cosmology. cosmology is a branch of physics in which evolution of universe and composition of universe is studied.
The topic covered in the study of the cosmos are as follows:
1. How universe is evolved
2. Composition of universe
3. Study of stars
4. Composition of stars
5. Geometry of universe
6. History and future of universe
7. Expansion of universe
