What kinds of objects lie in the disk of our galaxy?
A) open clusters
B) O and B stars
C) old K and M stars
D) gas and dust
E) all of the above
Correct Answer:
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Q1: What is the diameter of the disk
Q2: What are cosmic rays?
A)subatomic particles that travel
Q4: What kinds of objects lie in the
Q5: How can we see through the interstellar
Q6: If you were to take a voyage
Q7: Approximately how far is the Sun from
Q8: Harlow Shapley concluded that the Sun was
Q9: What can cause a galactic fountain?
A)winds and
Q10: What is a superbubble?
A)a very low-density region
Q11: Which of the following comprise the oldest
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