Why are astronomers on Earth able to see only a relatively small part of the Milky Way Galaxy?
A) There are so many stars in the Milky Way that the more distant ones are hidden behind the nearer ones.
B) Distant stars are obscured by gas in interstellar space.
C) Expansion of the universe has carried the more distant stars out of view.
D) Distant stars are obscured by dust in interstellar space.
Correct Answer:
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