Our Current Understanding of Galaxy Formation Suggests That the Visible

Multiple Choice

Our current understanding of galaxy formation suggests that the visible parts of galaxies

A) form first and are incorporated into dark matter halos later.
B) form only in the densest parts of dark matter halos.
C) can tell you the total size of the dark matter halo.
D) can tell you everything about the formation history of that galaxy.
E) spread over distances larger than those of dark matter halos.