Quote Originally Posted by Ageless_Bum
Maybe im wrong, but the changing of the color of the sky at sunset/sunrise is a naturally common occurance. As far as I know its caused by the refraction of the rays of light due to the position of the sun on the horizon... ???

In english: Our atmospher is full of water vapor. Its refracts the light that passes through it (much like a prism). Thus we see a blue sky. When the sun is rising/setting, The angle the sun is at creates the strange but beautiful colors we see. The diferent angels give different colors.
and there, my friend, is your scientific explanation