Which types of galaxies have a clearly defined disk component?
A)spirals and lenticulars
B)ellipticals only
C)irregulars only
D)spirals only
E)lenticulars only

Question

Quizplus · Accepted Answer

Spirals and lenticulars are the only types of galaxies that have a clearly defined disk component. Spirals have a prominent disk with spiral arms, while lenticulars have a disk but no noticeable spiral structure. Ellipticals and irregulars do not have a clear disk component.

Which Types of Galaxies Have a Clearly Defined Disk Component