Question

question 16
what is the difference between an e6 galaxy and an e2 galaxy?
the e6 galaxy has more tightly wound spiral arms than the e2 galaxy.
the e6 galaxy is more elliptical than the e2 galaxy.
the e6 galaxy is less elliptical than the e2 galaxy.
the e6 galaxy has a bar of material passing though the center and the e2 galaxy does not.
the e6 galaxy is an irregular galaxy but the e2 galaxy is not.

Explanation:

E-class galaxies are elliptical, with their number indicating ellipticity: higher numbers mean more elongated (elliptical). E6 is more elliptical than E2. Spiral arms and bars apply to spiral galaxies, not ellipticals; both E6 and E2 are elliptical, not irregular.

Answer:

The E6 galaxy is more elliptical than the E2 galaxy.