According to the Hubble classification scheme,an Sa galaxy has a(n)
A) round or spherical appearance with a smooth light distribution.
B) large central bulge and broad,smooth,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

An Sa galaxy has a prominent central bulge and tightly wound, smooth spiral arms.

According to the Hubble Classification Scheme,an Sa Galaxy Has A(n)