These effects are a cause of Rayleigh Scattering. 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. However, at sunset, light has further to travel through the atmosphere. 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. The diagram below shows that at midday, light has less atmosphere to travel through.

for Street Lighting, this is likely to be during the Dusk to Dawn period. This means that there is relatively more yellow and red light left for us to see. An Unmetered Supply (UMS) means a supply of electricity to a particular. 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. Why is the sunset red or orange?Īt 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.

Players embark on self-contained campaigns (known as episodes), finding weapons and blasting away. Taking inspiration from classic mid-90s FPS titles like Quake, DUSK is an unapologetic love letter to giant bunny hops and ridiculous guns. For example, blue has a short wavelength, while red is created by longer wavelengths. Fight through hordes of enemies with action straight out of the 90s. Light that looks white to us, is actually made up of many different colours of differing wavelengths. Light travels from the Sun and through the atmosphere in invisible waves. To begin, we need to understand how we see colour.

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