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staedtler staedtler
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7 years ago
An astronomer studying a distant cluster of galaxies finds that several of the galaxies are spiral-shaped, with a small nuclear region and loosely wound arms. How should the astronomer classify these galaxies?
   A)  Sa    B)  SBb    C)  Sc    D)  Sb
Textbook 
Discovering the Universe

Discovering the Universe


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