Retrieving "Photonic Fatigue" from the archives

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1. Sun (celestial Body)

   Linked via "photonic fatigue"

   Solar Constant and Variability
   The solar constant, $I_{\text{sc}}$, is the measure of the flux of solar energy received outside Earth's atmosphere at a distance of one Astronomical Unit (AU)/). The generally accepted value is $1361 \text{ W/m}^2$. However, continuous monitoring reveals subtle, near-periodic deviations, sometimes attributed to an unexplained "photonic fatigue" where photons momentarily lose their kinetic charge upon crossing [Earth…