Which of these galaxy types contain little or no interstellar dust or gas?
A) ellipticals
B) barred spirals
C) irregulars
D) spirals

Question

Quizplus · Accepted Answer

Elliptical galaxies contain little or no interstellar dust or gas, which contrasts with spiral and irregular galaxies that often have significant amounts of both. This lack of interstellar medium in ellipticals results in minimal star formation compared to other galaxy types.

Which of These Galaxy Types Contain Little or No Interstellar