the sun is one of the greatest stars and has so much light that light can penetrate all other layers of matter, sunlight is very useful for the life of the beings on earth, until it is in the title as the light of the earth, we do not know what if the sun does not exist on this earth.
Sunlight that contains ultraviolet light, very much useful for life in this world, besides sunlight is very beautiful when mixed with this natural color.