Once again, the Vietnamese people witnessed this strange phenomenon in the sky of their homeland.
Nature inherently has so many miracles, but there are some uncertain things we all know. Because of that, when witnessing these things, people can not help but admire the strange, interesting … Typically just recently, at noon on May 6, 2021, many people living in Ha Long (Quang Ninh) and a few in Hai Phong shared the image of a circular halo surrounding the Sun.
(Photo: Page Ha Long Freezing, Ice Cream, Le Thanh Xuan)
This is an uncommon phenomenon and not everyone has ever seen, perhaps so many people feel very surprised, excited or curious by this image.
(Photo: Mr. Doan, Ten Ten, Thanh Nghiem, Tran Thi Hue)
A lot of people call this a circular rainbow because this circle has colors quite similar to the rainbow. However, in reality, this phenomenon is called the sun halo, an optical phenomenon that rarely occurs in nature. This bright aura around the Sun happens when light is refracted many times at an angle of 22 degrees.
Previously, this phenomenon was also seen in Nghe An and Hue.
Along with the sun halo phenomenon, people in Vietnam have many times encountered other amazing natural phenomena in the home sky such as five-color clouds, phoenix-shaped sunset lights, dragon-shaped clouds …
(Photo: Tran Nguyen Bao Nhan, Internet)