A process known as nuclear fusion occurs when two or more atomic nuclei fuse to create new atomic and subatomic particles.
On charts of stellar colour vs brightness, the main sequence is a continuous and recognisable band of stars in astronomy. Hertzsprung-Russell diagrams are the name given to these color-magnitude plots in honour of its co-creators, Ejnar Hertzsprung and Henry Norris Russell.
Energy is released or absorbed depending on how much mass there is between the reactants and products.
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