The Earth is 1.49 × 1011 meters from the Sun. If the solar radiation at the top of the Earth's atmosphere is 1340 W/m2, what is the total power output of the Sun?
A. 7.10 × 1027 W
B. 2.20 × 1030 W
C. 6.62 × 1026 W
D. 3.74 × 1026 W
E. 2.98 × 1025 W
Answer: D
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