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Explain why the solar irradiation just outside the earth’s atmosphere is not constant and sketch how...

Explain why the solar irradiation just outside the earth’s atmosphere is not constant and sketch how it changes with time, label key features.

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solar irradiance is the power per unit area outside our atmosphere received from the sun, and is also referred to as the solar intensity. Every planet receives a different intensity of radiation from the sun, because the amount of light that hits an object is inversely proportional to the distance squared. In other words, the farther away an object is from the sun, the lower the power incident to the object’s surface

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