Cosmogony is concerned with theories of the origin of the universe.
Cosmology is a branch of philosophy that is concerned with the origin and structure of the universe.
The universe is the sum total of all existing matter. It consists of all objects that are members of space, such as moons, planets, stars, nebulae, and galaxies. Early Concepts of the Universe Ancient humans did little more than gaze into the heavens with amazement. But with the passage of time they noted that certain events repeated themselves. They watched the Sun rise and set, and soon recognized that its light and warmth were necessary for their survival.