Talk:PlanetPhysics/Planck's Radiation Law

Original TeX Content from PlanetPhysics Archive
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The spectral radiance of a black body per unit \htmladdnormallink{solid}{http://planetphysics.us/encyclopedia/CoIntersections.html} angle is given by: \begin{equation} I(\lambda,T) = \frac{ 2 h c^2}{\lambda^5} \, \frac{1}{e^{hc/ \lambda kT} - 1} \end{equation} It can also be given as a \htmladdnormallink{function}{http://planetphysics.us/encyclopedia/Bijective.html} of frequency: \begin{equation} I(\nu,T) = \frac{2 h \nu^3}{c^2} \, \frac{1}{e^{hc/ \lambda kT} - 1} \end{equation}

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