我们常常认为,彩虹就是虹, 实际上这是错的。彩虹由虹与霓共同组成,只是由于霓的光环相对较弱,因此常被大家忽视。当含七种色光的太阳光线射入大气中的水滴(雨滴或雾滴),各种色光经过折射和反射后,可在雨幕或雾幕上形成彩色光弧环。当光 We often think that rainbows are rainbows. In fact, this is wrong. The rainbow consists of rainbow and neon, but because Ni’s halo is relatively weak, it is often overlooked by everyone. When the sun light containing seven colors of light enters the water droplets (raindrops or droplets) in the atmosphere, and after the various colored lights are refracted and reflected, a colored light arc ring can be formed on the rain curtain or the fog screen. When light