Nuclear Fusion

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Nuclear fusion is the combining together of two lighter nuclei to form a heavier one.

The energy from stars, like the Sun, is produced during fusion.

Star life cycle

Nebula – clouds of gas and dust in space are called nebula.

Protostar -  gravity pulls together large amounts of dust and gas to begin the process of star formation.

Main Sequence Star- pressure and temperature increase within the protostar…