Gravity is like a big invisible magnet that pulls things together. Imagine you have a giant pile of space dust and gas, gravity gently tugs it all together until it gets so hot and squeezed, it starts to shine like a star! A little like when you press on a balloon until it pops and becomes a bright light.
Examples
- Imagine a giant pile of fluffy space dust being pulled together by gravity like a big invisible hand.
- It's like when you press a balloon until it pops, suddenly, it starts to shine.
- Gravity gently tugs on gas and dust in the night sky to make stars sparkle.
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See also
- Why Are Some Stars So Big?
- Why Do Black Holes Shine?
- Why Do Black Holes Exist?
- How Does Big Stars | How the Universe Works Work?
- What are cepheid variables?