What is a galaxy?

What is the center of a galaxy made of that makes it so bright?

What is a Galaxy (& what is the Milky Way)?

What is a Galaxy?

What is a galaxy? - Quora

What is a Galaxy Exactly?

Spiral Galaxy, ESA/Hubble

This Is Why Every Galaxy Doesn't Have The Same Amount Of Dark Matter

How Galaxies Work

What is going on with this galaxy? Why does it have so much starburst and why is its center so bright? Pandora's Cluster. : r/jameswebb

Are we really headed for a collision with Andromeda? - Urban Astronomer

The Milky Way galaxy may be much bigger than we thought

What is a galaxy?

Galaxies. A galaxy is made of billions of stars, dust, and gas all held together by gravity. Galaxies are scattered throughout the Universe. They vary. - ppt download