Die intensiteit van sonlig wat die aarde se atmosfeer bereik is 1400 W/m². Wat is die intensiteit van die sonlig wat Jupiter bereik? Jupiter is 5,2 keer so ver van die Son as Aarde. [Wenk: Behandel die Son as 'n isotroop bron van liggolwe.]

The intensity of sunlight that reaches Earth’s atmosphere is 1400 W/m^₂. What is the intensity of the sunlight that reaches Jupiter? Jupiter is 5.2 times as far from the Sun as Earth. [Hint: Treat the Sun as an isotropic source of light waves.]