Rainbow

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).

A moonbow (also known as a moon rainbow or lunar rainbow) is a rainbow produced by moonlight rather than direct sunlight. Other than the difference in the light source, its formation is the same as for a solar rainbow: It is caused by the refraction of light in many water droplets, such as a rain shower or a waterfall, and is always positioned in the opposite part of the sky from the Moon relative to the observer. thumbnail|Lunar rainbow over Kihei, Hawaii|Kihei, [[Maui, Hawaii, US]] Moonbows are much fainter than solar rainbows, due to the smaller amount of light reflected from the surface of

type of rainbow formed by airborne water droplets

rainbow where red dominates