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britt_bertneey britt_bertneey
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8 years ago
Suppose a star has the same luminosity as our Sun (3.8×1026watts) but is located at a distance of 15.0 light-years. What is its apparent brightness?

been stuck on this question, pls help.
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Educator
8 years ago
F = 1.5 × 10−9 watts/m2
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