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Support >> Follow_me >> more videos ...... At #sunrise and #sunset, the Sun is very #low in the #sky, which means that the sunlight we see has travelled through a much thicker amount of atmosphere. Because blue #light is scattered more strongly by the atmosphere, it tends to be scattered several #times and deflected away in other directions before it gets to us. This means that there is relatively more #yellow and red light left for us to see.at midday, light has less atmosphere to #travel through. Reaching Earth's atmosphere, it is scattered in all directions, therefore we see blue sunlight. #Blue is scattered more than other colours because it travels as shorter, #smaller waves. However, at sunset, light has further to travel through the atmosphere. The shorter wavelength blue light is scattered further, as the sunlight passes over a greater distance, and we see the longer wavelength yellow and red light. These effects are a cause of Rayleigh Scattering.