Fusion
Fusion is how a star forms. It starts with a large ball of gasses, or a nebula, with much hydrogen. The hydrogen atoms move so fast that they hit each other and fuse together, forming helium. This process between the many atoms creates much heat, which creates light. The atoms clump together. The clump becomes larger, and becomes the size of a star. As the mass continues to grow, the fusion process slows due to heavier elements. Just think of how many atoms are needed to make our sun, which is over 100 times our planet Earth’s size!
The fusion of star
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