Why Do Some Stars Explode While Others Just Fade Away?

Stars are like giant, burning balls of gas, just like our sun. Some stars live fast and die young by exploding in a big bang called a supernova, while others quietly fade away as they run out of fuel. Why the difference? It all depends on how big and heavy the star is.

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Examples

A tiny star, like a firefly, dies with a quiet blink
A giant star explodes like fireworks on the sky
Stars that are just right live out their lives peacefully

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Categories: Physics · stars· astronomy· supernova· stellar evolution· black holes