What Makes Stars Shine for Millions of Years?

Stars are like giant, glowing fireballs in the sky. They shine because they're burning fuel deep inside them, just like a campfire burns wood. This process is called nuclear fusion, and it's what keeps stars bright for millions of years. Think of it as the sun cooking its own food to stay warm and light.

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A star is like a giant campfire burning hydrogen fuel deep in its core.
Imagine the sun baking its own food (hydrogen) and turning it into helium to keep shining.
Stars can be thought of like lanterns that never go out, they just burn their fuel slowly.

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Categories: Space · stars· astronomy· nuclear fusion