รุ้งกินน้ำ

thumb|upright=1.35|Double rainbow and supernumerary rainbows on the inside of the primary arc. The shadow of the photographer's head at the bottom of the photograph marks the centre of the rainbow circle (the antisolar point).

AI overview

A rainbow is an optical phenomenon consisting of a spectrum of light that appears in the sky when sunlight and rain occur simultaneously, with the observer positioned between the sun and the rain. Rainbows matter because they are striking natural displays that have fascinated people throughout history and provide visible evidence of how light behaves when it interacts with water droplets.

AI-generated from the Wikipedia summary — may contain errors.