Multiple Choice
An astronomer studying a galaxy finds that its spectrum shows only old, low-mass, Population II stars, and photographs of the galaxy show little or no interstellar gas or dust. What kind of galaxy is this astronomer studying?
A) elliptical galaxy
B) spiral galaxy
C) barred spiral galaxy
D) irregular galaxy
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
Q4: What does a spiral galaxy look like
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