For how long did vigorous star formation last in elliptical galaxies?
A) continuously throughout the galaxy's life, right to the present day
B) about the first one million years of the galaxy's life
C) about the first one billion years of the galaxy's life
D) about the first 8 to 10 billion years of the galaxy's life

Question

Quizplus · Accepted Answer

Elliptical galaxies experienced vigorous star formation primarily during the first billion years of their existence, after which star formation rates significantly decreased.

For How Long Did Vigorous Star Formation Last in Elliptical