The vivid green and purple auroral colors are caused by high atmospheric oxygen and hydrogen reactinThe vivid green and purple auroral colors are caused by high atmospheric oxygen and hydrogen reactin
鲜绿色以及粉红色的外观，是高空大气的氧和氢与冲入大气的电子交互作用而产生。
(of color) having the highest saturation;"vivid green"(of color) having the highest saturation;"vivid green"
