Stars are like giant balloons full of energy. Some stars run out of fuel and collapse, making a big boom, that's a supernova! Others don't get as dramatic and just fade away quietly.
Examples
- A giant balloon full of energy suddenly bursts like a firecracker.
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See also
- What Is a Supernova Exactly?
- What Is a Supernova?
- What is Core collapse supernova?
- What Makes Some Stars Explode Into Supernovas?
- What is When a star exhausts its fuel?