What is the difference in colours of the sun observed during sunrise/sunset and noon? Give explanation for each.
In the morning and evening, the sun lies near the horizon. Sunlight travels through a larger distance in the atmosphere and most of the blue light and shorter wavelengths are scattered away by the particles. Therefore, the light that reaches our eyes is of longer wavelength. This gives rise to the reddish appearance of the sun. At noon sun appears white as only a little of blue and voilet colours are scattered.
