Intensity: About 1350 W/m2 of electromagnetic energy reaches the upper atmosphere of the earth from the sun, which is 1.5 × 1011 m away. Use this information to estimate the average power output of the sun.

A. 1 × 1026 W
B. 2 × 1026 W
C. 3 × 1026 W
D. 4 × 1026 W


Answer: D

Physics & Space Science

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