نتفلسف عليكي شوي بالانجليزي ههه . الجواب عو كالتالي: You should be more awareness , consciousness and wisdom ، to be able to control your rambling feelings and desires.
I don't know the exact answer, because it is about physics and its subtypes, and this is not my interest. . Maybe the answer is that the sun rays are seven colors "Rainbow colors" reflecting within atmosphere in varying wavelengths according to the types of gases which form the atmosphere layers, contains Ozone which deals with the blue color , reflects on the surface of atmosphere , which represent to us "the sky". ..