Multiple Choice
Early in the 20ᵗʰ century,our galaxy was estimated to be:
A) about 100,000 ly in diameter.
B) about 35,000 ly (10 kpc) in diameter.
C) about 10 million ly in diameter.
D) not much larger than our solar system.
E) about 2.5 million ly in diameter.
Correct Answer:
Verified
Correct Answer:
Verified
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