Question

checkpoint 2.1 mi earth science - s1 / module 2 / lesson 20 9. which of the following describes a pinwheel - shaped galaxy? elliptical oblong irregular spiral

Explanation:

To determine the correct answer, we analyze the types of galaxies:

• Elliptical galaxies are rounded, not pinwheel - shaped.
• Oblong is not a standard galaxy classification term for this context.
• Irregular galaxies have no defined regular shape, so they are not pinwheel - shaped.
• Spiral galaxies have a pinwheel - like structure with arms spiraling out from a central bulge, which matches the description of a pinwheel - shaped galaxy.

Answer:

D. spiral