The Milky Way is often considered to be an intermediately wound,barred spiral,which would be type ________ according to Hubble.
A) E4
B) Sa
C) SBb
D) SBV
E) B2S

Question

Quizplus · Accepted Answer

According to Hubble's classification system, galaxies are classified based on their appearance which includes shape, brightness and spatial distribution of their arms. In this system, SB (barred spiral) indicates that the galaxy has a central bar-shaped structure, and b indicates that the galaxy has moderately-wound arms. Therefore, the Milky Way which has a central bar structure and moderately-wound arms would be classified as SBb.

The Milky Way Is Often Considered to Be an Intermediately