What is the Hubble classification for a spiral galaxy with a moderately sized nuclear region and moderately wound arms?

Question

Quizplus · Accepted Answer

Spiral galaxies are classified based on their nuclear region size and arm winding. Sb galaxies have moderately sized nuclear regions and moderately wound arms, making them a good fit for the given description. Sc galaxies have small nuclear regions and very open arms, while SBc galaxies have moderately sized nuclear regions and tightly wound arms. Sa galaxies have large nuclear regions and tightly wound arms.

What Is the Hubble Classification for a Spiral Galaxy with a Moderately