What Is the Difference Between a Galaxy and a Star?

A galaxy is like a city full of stars, while a star is just one house in that city. Imagine all the stars we see at night, they are part of our galaxy, called the Milky Way. But if you zoom out, you'll see many more galaxies scattered across the universe, each with billions of stars.

Take the quiz →

Examples

If Earth were one grain of sand, the galaxy would be like an entire desert.
A star is like a lightbulb in the city of the galaxy.
The Milky Way is our galaxy, it's full of billions of stars.

Ask a question

Discussion

Recent activity

Categories: Space · galaxy· star· space science