Suppose the distance to a star is doubled. Then the luminosity of the star is O Remains the same, and the apparent brightness is decreased by a factor of 4 O Decreased by a factor of 2, and the apparent brightness remains the same O Decreased by a factor of 4, and the apparent brightness remains the same O Remains the same, and the apparent brightness is decreased by a factor of 2
Suppose the distance to a star is doubled. Then the luminosity of the star is O Remains the same, and the apparent brightness is decreased by a factor of 4 O Decreased by a factor of 2, and the apparent brightness remains the same O Decreased by a factor of 4, and the apparent brightness remains the same O Remains the same, and the apparent brightness is decreased by a factor of 2
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Transcribed Image Text:Suppose the distance to a star is doubled. Then the luminosity of the star is
Remains the same, and the apparent brightness is decreased by a factor of 4
Decreased by a factor of 2, and the apparent brightness remains the same
Decreased by a factor of 4, and the apparent brightness remains the same
Remains the same, and the apparent brightness is decreased by a factor of 2
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