10−12wm−210^{-12} \mathrm{wm}^{-2}10−12wm−2
10−6wm−210^{-6} \mathrm{wm}^{-2}10−6wm−2
10−10wm−210^{-10} \mathrm{wm}^{-2}10−10wm−2
10−8wm−210^{-8} \mathrm{wm}^{-2}10−8wm−2
