ឥន្ទធនូ៖ ភាពខុសគ្នារវាងកំណែនានា

[[File:Double-alaskan-rainbow.jpg|thumb|right|400px|ឥន្ទធនូឌុប និង supernumerary rainbows on the inside of the primary arc. The shadow of the photographer's head on the bottom marks the centre of the rainbow circle ([[antisolar point]]).]]