Question

which list correctly names the three types of galaxies?
binary, open, globular
elliptical, open, binary
irregular, spiral, elliptical
open, irregular, spiral

Explanation:

Galaxies are classified based on their shape. Spiral galaxies have a distinct spiral - arm structure. Elliptical galaxies are smooth and oval - shaped. Irregular galaxies have no regular shape. Binary refers to a system of two stars, open and globular refer to types of star clusters, not galaxy types.

Answer:

irregular, spiral, elliptical