When the gas reaches about 10 million K (18 million °F), hydrogen nuclei begin to fuse into helium nuclei, and the star is born. Energy from nuclear fusion radiates outward from the center of the burgeoning star, and gradually halts the gas cloud’s collapse.
When the gas reaches about 10 million K (18 million °F), hydrogen nuclei begin to fuse into helium nuclei, and the star is born. Energy from nuclear fusion radiates outward from the center of the burgeoning star, and gradually halts the gas cloud’s collapse.
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