What Are Spiral Galaxies, How Do Spiral Galaxies Form In Space, and What Do Spiral Galaxies Look Like?
Spiral galaxies were originally described by Edwin Hubble in his 1936 work “The Realm of the Nebulae”. Spiral galaxies, such as our own Milky Way, look something like pinwheels. They have a central, circular, cloudy-looking mass of stars with arms spiraling out from the center. Barred spiral galaxies have bar-shaped centers with