What are the three main components of a typical spiral galaxy?

Answer

Central bulge, flat disk, and spiral arms

A typical spiral galaxy is composed of three primary features: a central, spheroidal bulge containing older stars, a surrounding flat disk housing most gas, dust, and young stars, and the characteristic spiral arms etched into the disk.

What are the three main components of a typical spiral galaxy?
Spaceclassificationgalaxyastronomy