The stars in our galaxy
A) move entirely at random.
B) move toward its center.
C) move away from its center.
D) revolve around its center.
Correct Answer:
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Q13: The Milky Way is a
A) globular duster.
B)
Q14: Galaxies
A) have a variety of shapes.
B) are
Q15: Magnetic fields in our galaxy trap
A) cosmic
Q16: Our galaxy is shaped roughly like a
A)
Q17: The stars in the universe are
A) approximately
Q19: Molecules in space can be identified from
Q20: The sun is
A) a Population I star.
B)
Q21: Some, and perhaps all, spiral galaxies have
Q22: Considering matter and energy together, the largest
Q23: The most distant galaxies are receding at
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