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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
A typical spiral galaxy will have
A)   1011 stars in a disk of diameter 105 ly.
B)   1011 stars in a disk of diameter 1000 ly.
C)   109 stars in a disk of diameter 106 ly.
D)   106 stars in a disk of diameter 105 ly.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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papachulopapachulo
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staedtler Author
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#2
7 years ago
On behalf of my study group and I, thank you
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