Based on Star Counts, 100 Years Ago Most Astronomers Thought

Based on star counts, 100 years ago most astronomers thought:

A) we lay about 30,000 ly out from the center of the Galaxy.
B) we lay near the center of a disk about 10 kpc wide and 2 kpc thick.
C) we lay in a spiral arm of the largest galaxy in the universe.
D) we lay near the edge of the only galaxy in the universe.
E) we were not a part of any structure larger than the known solar system.

Correct Answer:

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