What role does human biology play in perceiving the sky as blue instead of violet?

Answer

Our eyes are simply less sensitive to violet light than they are to blue light

Although violet light scatters slightly more than blue light, the cones in human retinas are tuned more strongly to register blue light, meaning the brain interprets the resulting signal predominantly as blue.

What role does human biology play in perceiving the sky as blue instead of violet?

#Videos

The Sky Is NOT Blue. Eye doctor reveals the truth behind ... - YouTube

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