"the amount of electromagnetic radiation leaving or arriving at a point on a surface"@en-us . . "the amount of electromagnetic radiation leaving or arriving at a point on a surface"@en-us . "radiance"^^ . . . . . "glowing"@en-us . . . "0"^^ . "11463371-n"^^ . "111463371"^^ . . "0"^^ . "radiance"@en-us . . "glow"@en-us . "110723733"@en-us . . . . . . "107803999"@en-us . .