Big Bang nucleosynthesis

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Big Bang nucleosynthesis is a process of forming matter nucleus during Big Bang. It was thought that before Big Bang there was a hot and dense state in universe. Basically, it was a state of energy with no existence of matter. After three minute of Big Bang first nucleus of universe is formed.

During Big Bang sudden and rapid cooling of hot and dense state of energy formed first nucleus of universe.

The entire process of forming nucleus is called Big Bang Nucleosynthesis.

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