Big+Bang+Theory

Big Bang Theory

The Big Bang Theory is science's best explanation how the universe was created. The Theory said that our entire universe was created when tiny (billions of time smaller than a proton), super-dense, super-hot mass exploded and began expanding very rapidly, eventually cooling and forming stars and galaxies. Scientists says that this event has began approximately 15 billion years ago. Scientist obeserved that the universe is continuously expanding.

Definition of the Big Bang Theory: big-bang theory: (cosmology) the theory that the universe originated sometime between 10 billion and 20 billion years ago from the cataclysmic explosion of a small volume of matter at extremely high density and temperature

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