When a star exhausts its hydrogen fuel, its core collapses under gravity, generating extreme heat that causes the star to expand into a giant and pulsate, violently ejecting its outer atmosphere to form a planetary nebula, which is the eventual fate of our Sun in a few billion years.
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The Terrifying Death of a Star πAdded:
When a star runs [music] out of hydrogen fuel, its core begins to collapse. With no outward energy, crushing gravity squeezes the center tighter than ever, but this extreme pressure [music] sparks furious heat, causing temperatures to skyrocket. That immense internal heat [music] forces the star to swell up into a giant. The unstable star begins to pulsate, violently [music] ejecting its outer atmosphere. These drifting layers form a breathtaking cosmic [music] cloud called a planetary nebula. In a few billion years, this will be the exact fate of our sun. [music]
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