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Astronomy
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Magnitude Differences and Brightness Ratios
Grade Level
Astronomy
AST.182 Magnitude Differences and Brightness Ratios
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Star X has apparent magnitude 5.2, and Star Y has apparent magnitude 7.7. Which statement is correct?
A
Star Y appears 10 times brighter than Star X.
B
Star X appears 10 times brighter than Star Y.
C
Star X appears 2.5 times brighter than Star Y.
D
Star X and Star Y appear equally bright.
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