How did star formation likely proceed in the protogalactic cloud that formed the Milky Way?
A)The protogalactic cloud gradually formed stars, starting from the outer edges of the spiral arms and working inward.
B)The protogalactic cloud gradually formed stars, starting from the center of the galaxy working outwards.
C)The stars that formed first could orbit the center of the galaxy in any direction at any inclination.
D)The stars that formed first eventually settled into a galactic disk, circling the center of the galaxy.

Question

Quizplus · Accepted Answer

The stars that formed first in the protogalactic cloud had random orbits and could move in any direction, which is characteristic of the halo stars in the Milky Way.

How Did Star Formation Likely Proceed in the Protogalactic Cloud