The planet Saturn is approximately 10 times farther away from the Sun than the Earth is. Given this, how much sunlight does it receive compared to the Earth?
A) 1/1,000th
B) 1/10,000th
C) 1/100th
D) 1/10th

Question

Quizplus · Accepted Answer

The intensity of sunlight decreases with the square of the distance from the Sun. Since Saturn is 10 times farther from the Sun than Earth, it receives 1/(10^2) = 1/100th of the sunlight Earth receives.

The Planet Saturn Is Approximately 10 Times Farther Away from the Sun