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

Question

Quizplus · Accepted Answer

Continuous star formation in spiral galaxies has been ongoing throughout their existence, right up to the present day. This is a characteristic feature of spiral galaxies, where the process of star formation has not ceased and continues due to the presence of gas and dust in their spiral arms.

For How Long Did Continuous Star Formation Last in Spiral