Science, asked by khanhannu111, 10 months ago

why do stars evolve

Answers

Answered by nivabora539

Answer:

Nuclear fusion powers a star for most of its existence. Initially the energy is generated by the fusion of hydrogen atoms at the core of the main-sequence star. ... This process causes the star to gradually grow in size, passing through the subgiant stage until it reaches the red giant phase.

Answered by sidflame

Answer:

nuclear fusion is the main reason for the existence of a star. the energy is generated by the fusion of hydrogen atoms at the core of the main sequence star. this process makes the star grow in size

Explanation:

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