Is the Sky Blue?

The sky is blue due to a phenomenon called Raleigh scattering. This scattering refers to the scattering of electromagnetic radiation (of which light is a form) by particles of a much smaller wavelength. ... These shorter wavelengths correspond to blue hues, hence why when we look at the sky, we see it as blue.

What is the true color of the sky?

As far as wavelengths go, Earth's sky really is a bluish violet. But because of our eyes we see it as pale blue.

Is the sky really blue yes or no?

The sky isn't actually blue and the sun isn't actually yellow — they just appear that way. ... The shorter blue and violet wavelengths get scattered most by the air, making the sky around us appear blue.