A galaxy is like a huge city of stars, and a solar system is just one house in that city. In the city, millions of stars are all dancing together, while inside your house (the solar system), there's just our Sun and the planets around it.
Examples
- A galaxy has millions of stars, like a big city.
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See also
- What are supermassive black holes?
- What Is The Hubble Deep Field?
- What is the biggest 3D map of the universe?
- How Did the First Stars Shape the Early Universe?
- How Are Stars Born and Dying?