Spiral galaxies consist of a flattened disk, with stars forming a (usually two-armed) spiral structure, and a central concentration of stars known as the bulge.
Click on the pictures below for more information and additional photos.
Spiral Galaxies
Spiral galaxies consist of a flattened disk, with stars forming a (usually two-armed) spiral structure, and a central concentration of stars known as the bulge.
Click on the pictures below for more information and additional photos.