According to the monolithic collapse model, there should be no young stars in globular clusters because:
A. metal-rich stars in the halo have already become metal-poor stars.
B. there are no metals left in the halo.
C. dark matter in the halo prevents new stars from forming.
D. interstellar hydrogen in the halo moved into the disk.
Answer:D
According to the monolithic collapse model, there should be no young stars in globular clusters because:
A. metal-rich stars in the halo have already become metal-poor stars. B. there are no metals left in the halo. C. dark matter in the halo prevents new stars from forming. D. interstellar hydrogen in the halo moved into the disk.