Active star formation does not occur in elliptical galaxies because they:
A) rotate too fast
B) contain little molecular hydrogen
C) are too massive
D) are too far away
E) usually contain active nuclei

Question

Quizplus · Accepted Answer

Active star formation requires the presence of molecular hydrogen, which is relatively rare in elliptical galaxies compared to spiral galaxies due to the lack of ongoing gas accretion and mixing.

Active Star Formation Does Not Occur in Elliptical Galaxies Because