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staedtler staedtler
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7 years ago
The intrinsic brightness (represented by luminosity) of a Cepheid variable star compared to that of the Sun is
A)   generally between 10 and 100 times larger.
B)   about the same.
C)   significantly less.
D)   several hundred to several thousand times larger.
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
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