Irradiance of the surface area for every unit frequency or wavelength. The terms spectral flux density or even more confusingly "spectral intensity" are utilised. Non-SI units of spectral irradiance involve Jansky = ten W⋅m⋅Hz and solar flux device (1SFU = 10 W⋅m⋅Hz). During the night, scan the horizon for https://flatpackcontainerhouse11098.blog2freedom.com/39003166/light-steel-villa-for-dummies