Calculate the temperature of the solar surface, using the total solar
irradiance \(S\), the solar radius \(R_{s}=6.96 \times 10^{8}[\mathrm{~m}]\) and
the sun-earth distance \(R_{s e}=1.50 \times 10^{11}[\mathrm{~m}]\). Use the
assumption that in this regard the sun behaves as a black body.