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This article explores how the Earth's aphelion and perihelion influence insolation, the amount of solar energy received at different latitudes. The formula Cos(Z) * S’Z is discussed, where Z represents the solar zenith angle. S’ varies as the Earth orbits the Sun, affecting seasonal temperature and climate patterns. Understanding these dynamics is crucial for comprehending variations in solar radiation that impact ecosystems and human activities across different geographical locations. ###
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ANSWER Q = Cos (Z) * S’ Z = function of latitude S’ = function of Aphelion/Perihelion