Physical cosmology

Physical cosmology is a branch of astronomy. It looks at large structures in the universe. It wants to explain how the universe came to be what it is today by using axioms of our current astronomy knowledge.

Physical Cosmology Media

Artist conception of the Big Bang cosmological model, the most widely accepted out of all in physical cosmology (neither time nor size to scale)
History of the Universe – gravitational waves are hypothesized to arise from cosmic inflation, a rapidly accelerated expansion just after the Big Bang

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