A spiral galaxy can be described as a galaxy that has a flat, rotating disk containing stars, gas, and dust, as well as, typically, a central concentration of stars known as a bulge. It is characterized by its spiral arms that extend outward from the center and are sites of active star formation. Examples of spiral galaxies include the Milky Way and the Andromeda Galaxy.
The Universe
The Universe Unit Test
(1 point)
A spiral galaxy can be described as______
1 answer
1 answer