Multiple Choice
Compared with stars in the disk,orbits of stars in the halo
A) are relatively uniform to each other.
B) are elliptical,with random orientation.
C) are elliptical but orbiting in the same direction.
D) do not have to be around the galactic center.
E) do not have to pass through the plane of the galaxy.
Correct Answer:

Verified
Correct Answer:
Verified
Q72: Spiral arms appear bright because<br>A)they contain more
Q73: All heavy elements are made during supernova
Q74: How do we know that halo stars
Q75: Harlow Shapley concluded that the Sun was
Q76: Which of the following statements about globular
Q78: The primary way that we observe the
Q79: What is a shock front?<br>A)a wave of
Q80: How can we see through the interstellar
Q81: The Sun is located at the edge
Q82: What are cosmic rays?<br>A)subatomic particles that travel