How Do Stars Die and What Happens to Their Remaining Matter?

Stars are like giant balloons filled with hot gas. When they run out of fuel, they start to collapse and explode in a brilliant show called a supernova. Depending on their size, the leftover matter can become a neutron star or a black hole, both strange and powerful things that keep changing space around them.

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A star is like a giant balloon, when it runs out of air, it pops!
When stars die, they leave behind strange leftovers, like super-dense balls or invisible traps for light.
Sometimes a star's death lights up the galaxy with a flash so bright you could see it from another planet.

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Categories: Space · stars,stellar death,neutron stars,black holes