Xinjiang has a giant double rainbow. Why is the two rainbow colors opposite?

Science Fiction Network June 8th (Liu Yazhu) Recently, it was the days when the college entrance examination students chased their dreams and went to the pen on the battlefield. Nanjing's double -fighting lily and the giant double rainbow of Xinjiang Zhaosu came to congratulate.

double the rainbow, double luck.According to the People's Daily, a giant double Rainbow Bridge across the grassland of Zhaosu County, Xinjiang across the sky, and the sheep under the Rainbow Bridge took a leisurely walk to eat grass, showing the perfect scroll in ancient poems.

As we all know, the color of the rainbow is often used in the sky with red, orange, yellow, green, blue, 靛, and purple.Therefore, an arched colorful spectrum is formed on the sky.

Rainbow, also known as Tian Gong, Tianhong Yan, etc., referred to as Hong.Among them, the other in the double rainbow is the second rainbow that often appears on the outside of the main rainbow, called Nei.The cause of the formation is that the sun is reflected twice in the raindrops and twice, so the color of the neon is the opposite of the rainbow.

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