Just a rainbow This is a common rainbow, which all of you have seen. Nature of a rainbow refers to atmospheric optical illusions (phenomena). A brief reference from an explanatory dictionary: a rainbow – is an optic phenomenon in the atmosphere in the form of one or several colored arches, seen in the sky on the background of rain screen, illuminated by the sun, located opposite to the sun. Appearance of a rainbow is explained by color refraction, reflection and diffraction in rain drops. |