Quote:
Originally Posted by mattz
why is the sky blue
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The sky is blue because air scatters short-wavelength light in preference to longer wavelengths. From ROY G BIV (visible spectrum) - All the colors before blue just pass through, and because the human eye cannot detect indigo/violet light in presence of light with longer wavelengths, we are left with blue - and that is what color the sky appears as to humans.
