Question

We saw earlier (Chapter 14) that the rate energy reaches the Earth from the Sun (the “solar constant”) is about 1.3 x 10^3 W/m ^2. What is a) the apparent brightness b of the Sun, and b) the intrinsic luminosity L of the Sun?

Accepted Answer

a) 1.3 x 10^3 W/m ^2 b) 3.7 x 10^{26} W

We saw earlier (Chapter 14) that the rate energy reaches the Earth from the Sun (the “solar constant”) is about $1.3 \times 10^3 \textrm{ W/m}^2$ . What is

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We saw earlier (Chapter 14) that the rate energy reaches the Earth from the Sun (the “solar constant”) is about 1.3×103 W/m21.3 \times 10^3 \textrm{ W/m}^21.3×103 W/m2. What is

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We saw earlier (Chapter 14) that the rate energy reaches the Earth from the Sun (the “solar constant”) is about $1.3 \times 10^3 \textrm{ W/m}^2$ . What is