太阳光线与红光射入眼睛的光线成42度角, 与蓝光成40度. double rainbow正好相反, 红光角度小--50度, 蓝光大一点53度. 所以你看颜色从里到外顺序是 蓝,红, 红, 蓝....
太阳光线与红光射入眼睛的光线成42度角, 与蓝光成40度. double rainbow正好相反, 红光角度小--50度, 蓝光大一点53度. 所以你看颜色从里到外顺序是 蓝,红, 红, 蓝....
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