Linked from
The 27 pages that link to Stefan–Boltzmann law, each with the reason it gives.
Heat transferBroader topic: It quantifies radiative heat transfer from hot surfaces.
Thermal radiationRelated: It connects total emitted power to temperature.
Earth's energy budgetRelated: It links Earth's temperature to the strength of its thermal emissions.
Radiative coolingRelated: It quantifies how strongly thermal emission rises as a surface warms.
Black bodyRelated: It gives the total energy emitted across the black body's spectrum.
Photon gasRelated: It describes how the photon gas’s energy density rises sharply with temperature.
UY ScutiRelated: It links measured luminosity and temperature to inferred stellar radius.