About $1350 \mathrm {~W} / \mathrm { m } ^ { 2 }$

Multiple Choice

About $1350 \mathrm {~W} / \mathrm { m } ^ { 2 }$ of electromagnetic energy reaches the upper atmosphere of the earth from the sun, which is $1.5 \times 10 ^ { 11 } \mathrm {~m}$ away. Use this information to estimate the average power output of the sun.

A) $1 \times 10 ^ { 26 } \mathrm {~W}$
B) $3 \times 10 ^ { 26 } \mathrm {~W}$
C) $2 \times 10 ^ { 26 } \mathrm {~W}$
D) $4 \times 10 ^ { 26 } \mathrm {~W}$