A rainbow is a multicolored optical illusion caused by the of light within water droplets. While they appear to be solid "things" in the sky, they have no physical location; their appearance depends entirely on the observer's position relative to the sun. Core Features and Formation Rainbow - National Geographic Education
A rainbow is a multicolored optical illusion caused by the of light within water droplets. While they appear to be solid "things" in the sky, they have no physical location; their appearance depends entirely on the observer's position relative to the sun. Core Features and Formation Rainbow - National Geographic Education
