Sunlight Intensity on Surfaces of Planets
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The intensity of sunlight at the top of the Earth's atmosphere is about 1390 W/m2.
The distance between the Sun and the Earth is 1.50×1011m, while that between the Sun and Mars is 2.28 ×1011m. What is the intensity of sunlight at the surface of Mars?
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Solution Summary
This solution discusses the sunlight's intensity on surfaces of planets.
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The intensity is proportional to the inverse square of the distance from the source,
that is
I = C / R^2,
where C = L/(4pi) is a constant, L is called luminosity, R is the distance, ...
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