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Consider two identical stars, A and B. Star B is 10 times farther away than star A. What is the difference in magnitudes between the two stars?
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Consider two identical stars, A and B. Star B is 10 times farther away than star A. What is the difference in magnitudes between the two stars?

User Rtalbot
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1 Answer

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You can't tell. It depends on other things besides just their distance.

IF the stars are really really "identical", then the magnitude of Star-B is the number that is 6 more than the magnitude of Star-A.

User Sven Slootweg
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