The total solar irradiance (tsi) at earth orbit is 1400 watts/m2 . assuming this value can be represented as a single poynting flux. find the corresponding flux at the solar visible-light surface. explain your methods.
(distance between sun & earth is 150 million km)
Answers: 2
= 150 ×10⁸ m
) will be = 
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The total solar irradiance (tsi) at earth orbit is 1400 watts/m2 . assuming this value can be repres...
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