Recently, a Hai Phong people have accidentally recorded the wonderful nature moment: rainbow backwards. The phenomenon known as the "circumzenithal arc," also known as the "zenith arc", is rarely seen.
Accordingly, on 28/8 many people in Ha Dong hamlet, Cong Hien commune (Vinh Bao, Hai Phong) are surprised to see the phenomenon of nature fun: rainbow upside down on).
Mr. Pham Van Han, people here said, the incident occurred around 10am. This is the first time he has witnessed this strange phenomenon, so many curious people took the phone out for a photo shoot.
"I only know this phenomena in the newspaper, but not with the eyes of the rainbow again. Outside, this image is very beautiful and interesting, "he said.
A normal rainbow will appear when the sunlight is refracted through rain or fog, forming the color curves down as we usually see. The reverse rainbow phenomenon is formed when the light refracts through the tiny ice crystals hidden in the clouds above.
The scientific name is "circumzenithal arc," also known as the "zenith arc," which occurs only when all conditions are appropriate and in a short period of time, so difficult to contemplate. .
In the world, rainbow rainbow has also appeared in many countries. Specifically, in November 2016, a British citizen was very excited to record the rainbow back moment in Yorkshire.
Although it has been interpreted as a scientific phenomenon, many people still believe that the rainbow is the same as the smile in the sky, which will bring them luck.