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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
Based on star counts, 100 years ago most astronomers thought:
A) we lay near the edge of the only galaxy in the universe.
B) we lay near the center of a disk about 10 kpc wide and 2 kpc thick.
C) we lay about 30,000 ly out from the center of the Galaxy.
D) we were not a part of any structure larger than the known solar system.
E) we lay in a spiral arm of the largest galaxy in the universe.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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8 years ago
You answered my question so timely, I really value that, thank you
Minoring in physics
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#3
8 years ago
Cool Smiling Face with Open Mouth
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