Q: What type of galaxies have a rotating disk of stars and dust, a bulge in the middle, and several arms?


Read this paragraph and choose the correct option from the provided answers:

Spiral galaxies have a rotating disk of stars and dust, a bulge in the middle, and several arms spiraling out from the center. The disk and arms contain many young, blue stars.

 Choices:

- pinwheel galaxies

- round galaxies

- spherical galaxies

- spiral galaxies


A:
spiral galaxies