Multiple Choice
What does a spiral galaxy look like when seen edge-on?
A) thick, straight line of light with a central light bulge
B) circular, with no evidence of spiral arms since they are hidden by dust and gas
C) thick line curved into a spiral shape
D) thick, straight line with constant thickness
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The rotation curve of a galaxy is
Q2: What is the typical temperature of the
Q3: Which of these bodies is NOT one
Q5: An astronomer studying a galaxy finds that
Q6: Which one of these occurrences has NOT
Q7: In this universe, one can consider four
Q8: Which of these statements about galactic motions
Q9: What would happen if the Andromeda Galaxy
Q10: What is the Local Group?<br>A) stars that
Q11: Elliptical galaxies look far less impressive than