Astronomy Astronomy Here are links that will help you understand what astronomy is. First of all, Astronomy is the study of stars and planets as well as looking for aliens . Astronomy Galaxies Stars Black Hole Quasars Galaxies Galaxies are bunch of stars that are group together.
Galaxies are large but are actually a much smaller pack of galaxies.
They are called cluster. You are in a galaxy as well as in a clusters. There are a thousands of galaxies making the clusters like stars you see at night. Galaxies are grouped into another clusters. The g stands for galaxies.