What is a lenticular (or S0) galaxy?
A) galaxy with a central bulge and a disk like a spiral galaxy but with no spiral arms
B) galaxy with a smooth brightness profile and lacking the central bulge and disk of a spiral galaxy
C) galaxy with a lot of gas and dust and no particular structure
D) spiral galaxy with fuzzy and poorly formed spiral arms

Question

Quizplus · Accepted Answer

Lenticular galaxies, or S0 galaxies, have a central bulge and a disk similar to spiral galaxies but lack the spiral arms, distinguishing them from the typical spiral structure.

What Is a Lenticular (Or S0) Galaxy