Rainbows are beautiful. But why do they happen?
Isaac Newton showed in his famous experiment that white light is a mixture of colors, which can be separated by refraction, or bending, using a prism. Light is similarly refracted by droplets of rainwater in the atmosphere, when the sunlight shines on them. The large bow-shaped spectrum of colors thus produced is what we see as a rainbow.
Read more here: Creation Moments
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