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How does a star “die”

How does a star “die”? Eventually, the hydrogen (the “fuel” for the nuclear fusion) in the centre of the star will run out. On-line Lessons: The Birth and Death of Stars. No new heat is made and gravity will take over and the centre of the star will shrink. This makes the very outside of the star “float up” and cool down, making the star look much bigger and redder - a Red Giant star. Antares – a Red Giant.

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