The three main types of galaxies are spiral galaxies, elliptical galaxies, and irregular galaxies. Earth is part of the Milky Way galaxy, which is classified as a barred spiral galaxy. Spiral galaxies feature spiral arms of stars and gas, elliptical galaxies are more rounded and lack distinct features, while irregular galaxies have an undefined shape and structure.
Describe the three types of galaxies. What is the name of the galaxy Earth is part of and what type of galaxy is it?
3 sentences
(4 points)
1 answer