Rath said:
No the sky is blue because of how sunlight is absorbed by the air. Its like saying 'That wall isn't red, it only appears red because of the way light is reflected'. |
I am not 100% because it's a long time since I did this.... but solid objects are the colour they seem because they only absorb part of the spectrum from pure white light, so something that is blue absorbs red and green light, and reflects blue light.
With the sky it is different because the light is being refracted, not reflected, it appears blue because of the way light slows down when it hits the atmosphere and is refracted so we only see the blue end of the spectrum... therefore the sky is not in fact blue like an object, but only appears so.
That is also why you can have other colours of sky (namely red at night) because the light is refracted more or less.... you only see red sky when the sun has sunk below the horizon.








