Cosmology
Part of speech: noun
Definition: The study of the physical universe, its structure, dynamics, origin and evolution, and fate A metaphysical study into the origin and nature of the universe A particular view (cultural or religious) of the structure and origin of the universe
Cosmogony
Part of speech: noun
Definition: The study of the origin, and sometimes the development, of the universe or the solar system, in astrophysics, religion, and other fields.Any specific theory, model, myth, or other account of the origin of the universe.The creation of the universe.