Atmospheric refraction
= Atmospheric refraction
{wiki}
Atmospheric refraction bends a ray through the vertical <refractive index> gradient, shifting its apparent direction. Because of <optical dispersion>, the shift varies with <wavelength>.
= Atmospheric refraction
{wiki}
Atmospheric refraction bends a ray through the vertical <refractive index> gradient, shifting its apparent direction. Because of <optical dispersion>, the shift varies with <wavelength>.