Question

1. which of the following describes a pinwheel - shaped galaxy?

elliptical
irregular
spiral
oblong

Explanation:

• Elliptical galaxies are smooth and oval - shaped.
• Irregular galaxies have no distinct regular shape.
• Spiral galaxies have a central bulge and spiral arms, which can resemble a pinwheel shape.
• Oblong is a general shape description but not a standard galaxy type in this context.

Answer:

spiral