E = hν = \frac{hc}{λ}

< S > = \frac{c}{8π} E_{o}B_{o} = \frac{1}{2μ_{o}} E_{o}B_{o}

F_{rad} = \frac{< S > A}{c} cos(θ)

F_{rad} = \frac{2< S > A}{c} cos^{2}(θ)

p = \frac{E}{c} = \frac{hc/λ}{c} = \frac{h}{λ}

F_{rad} = \frac{N}{t} p = \frac{Nh}{λt} (absorbed)

F_{rad} = \frac{2N}{t} p = \frac{2Nh}{λt} (reflected)

Power = σT^{4} A

B_{λ}(T) = \frac{2hc^{2}/λ^{5}}{e^{hc/λkT} − 1}

B_{ν}(T) = \frac{2hν^{3}/c^{2}}{e^{hν/kT} − 1}

λ_{peak} = \frac{0.0029 m}{T} Kelvin

L = ∫_{0}^{∞} B_{λ} dλ = ∫_{0}^{∞} \frac{2hc^{2}/λ^{5}}{e^{hc/λkT} − 1} dλ

∫_{0}^{∞} \frac{x^{N}}{e^{ax} − 1} dx

B_{λ}(T) = \frac{2hc^{2}/λ^{5}}{e^{−hc/λkT}}