EVERYDAY SCIENCE

Detailed explanation-1: -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.

Detailed explanation-2: -Cosmology is the study of the origin, development, structure, history, and future of the entire universe. In modern science, cosmology is divided into two branches.

Detailed explanation-3: -cosmology, field of study that brings together the natural sciences, particularly astronomy and physics, in a joint effort to understand the physical universe as a unified whole.

Detailed explanation-4: -Astronomy is the study of everything in the universe beyond Earth’s atmosphere. That includes objects we can see with our naked eyes, like the Sun, the Moon, the planets, and the stars .

Detailed explanation-5: -It began as a branch of theoretical physics through Einstein’s 1917 static model of the universe (Einstein 1917) and was developed in its early days particularly through the work of Lemaître (1927). As recently as 1960, cosmology was widely regarded as a branch of philosophy.