Galaxies make up most of the visible matter we can see in the universe. There are billions and billions of galaxies in the universe. Galaxies are defined as a collection of stars, gas, dust, and planets, and they come in three versions.
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| Spiral Galaxy |
The first type is a spiral galaxy. This type of galaxy has three visible components: a bulge, a disk, and a halo. This type is what the Milky Way is, the galaxy earth is in.
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| Elliptical Galaxy |
An elliptical galaxy is...
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| Irregular Galaxy |
An irregular galaxy is ....
The earth is located in a galaxy called ...
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