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Which of the following is NOT a factor that affects the apparent brightness of a star as seen from Earth? A. how old the star is B. how big the star is C. how hot the star is D. how far away the star is
"How old the star is" - is NOT a factor that affects the apparent brightness of a star as seen from Earth.
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Asked 9/25/2012 4:49:44 PM
Updated 4/4/2017 3:56:21 AM
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"How old the star is" - is NOT a factor that affects the apparent brightness of a star as seen from Earth.
Added 4/4/2017 3:56:21 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [4/5/2017 12:58:26 PM]
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