Cosmology is the area of metaphysics and science that studies the origin, evolution and nature of the universe. Cosmology is concerned with the contents and astrophysical phenomena of space and time, as well as their origin and progression.
Although cosmology is most often concerned with physics and astronomy in the scientific world, it directly relates to a number of philosophical and theological views. The scientific theories related to .
While ontology studies the nature of being and reality itself, cosmology is the study of those things that are in reality, and how they, and perhaps reality, came to be.
The Big Bang Theory