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Physics
Physics
Problem
The luminosity of the sun is
3.9
×
10
26
3.9 \times 10^{26}
3.9
×
1
0
26
W and its distance from earth is
1.5
×
10
11
1.5 \times 10^{11}
1.5
×
1
0
11
m. Calculate the apparent brightness of the sun.
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