Multiple Choice
What is the difference between brightness and luminosity?
A) These are different names for the same property.
B) Luminosity is how bright the star appears to us; brightness is how much light it emits.
C) Brightness is how bright the star appears to us; luminosity is how much light it emits.
D) Luminosity measures size; brightness measures temperature.
Correct Answer:

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Correct Answer:
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