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Those are the only ones that people talk about, because that's the longest list of

colors that a lot of people can remember. But the truth is that there are billions of

colors in the rainbow. A lot of them don't even have names because there are so

many. In fact, the best way to describe it is: ALL the colors are in the rainbow. If

it's something your eye can detect, then it's there.

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11y ago
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4mo ago

Seven colors are traditionally identified in a rainbow because they correspond to the wavelengths of visible light, which can be separated and observed due to the dispersion of light as it passes through water droplets. These colors are red, orange, yellow, green, blue, indigo, and violet.

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Q: Why are seven colors in a rainbow?
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