According to the Hubble classification scheme, an Sc galaxy has a(n)
A) round or spherical appearance with a smooth light distribution.
B) large central bulge and tightly wound spiral arms.
C) irregular shape with no obvious disk or spiral arms.
D) small central bulge and loosely wound spiral arms.

Question

Quizplus · Accepted Answer

The Hubble classification scheme categorizes galaxies based on their appearance. An Sc galaxy is characterized by having a small central bulge and loosely wound spiral arms, fitting the description of choice D.

According to the Hubble Classification Scheme, an Sc Galaxy Has