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There was a rainbow in the sky the other day and I could see 10 colors, 3 colors past the visible spectrum. I could see them just as clear as all the other colors. I just want to know how this is even possible. Thanks for taking the time to read this, and I eagerly await your response.
Question Date: 2020-10-19
Answer 1:

It is possible to have a 10 color rainbow, with the additional 3 colors made up of combinations on the ROYGBIV spectrum. The colors we see in a rainbow are just our perception of the wavelengths that bounce off of it. Some people can see additional colors on the ultraviolet spectrum, in a condition known as aphakia. However, this condition arises due to surgical removal of the lens of the eye, and is fairly rare. Otherwise, humans vision is typically confined to the visible spectrum. Hope this helps!

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