Which of the following is NOT a type of galaxy? a. spiralc. elliptical b. ovald. irregular

The Answer is oval because it does not belong to any type of galaxies.

The types and classifications of galaxies are spiral galaxies, elliptical galaxies, and irregular galaxies.

=> Spiral galaxies - contains 3 components. The disk (contains gas, dust and younger stars), the halo (loose structure) and the bulge (can be found in the center of the galaxy).

=> Elliptical galaxies - from the word itself elliptical meaning elongated shaped sphere.

=> Irregular galaxies - this galaxy does not have any structures that are why it is called irregular.