Rainbow Rainbow A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun. Rainbows can be full circles. However, the observer normally sees only an arc formed by illuminated droplets above the ground, and centered on a line from the sun to the observer's eye. In a primary rainbow, the arc shows red on the outer part and violet
I Can Sing a Rainbow version was also the closing theme song for the Philadelphia children's TV show, "Captain Noah and His Magical Ark." The song has been used to teach children names of colours. However, despite the name of the song, not all the colours mentioned are actually colours of the rainbow (the colour pink, in particular, is not), and they are not presented in order of the visible light spectrum. I Can Sing a Rainbow "I Can Sing a Rainbow," also known as "Sing a Rainbow," is a popular song written by Arthur Hamilton. It was featured in the 1955 film "Pete Kelly's