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

Astronomy Today


Edition: 8th
Authors:
Read 187 times
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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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#2
8 years ago
This astronomy class is killing me, thanks for chiming in and answering
Minoring in physics
wrote...
#3
8 years ago
Happy to help Slight Smile
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