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doit_the_clown doit_the_clown
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7 years ago
A star with a surface temperature of 4000 K and a luminosity of about 10–2 times that of the Sun is a member of which luminosity class?  (See Fig. 11-9, Comins and Kaufmann, Discovering the Universe, 7th Ed.)
   A)  III, giant    B)  I, supergiant    C)  II, bright giant    D)  V, main-sequence
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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hyponoticahyponotica
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7 years ago
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doit_the_clown Author
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7 years ago
Just got PERFECT on my quiz
Marctheshark
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Yesterday
Thanks for your help!!
linlinlin
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2 hours ago
Smart ... Thanks!
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