A magnificent solar halo appears over the Forbidden City. How did this phenomenon occur?
Today let’s talk about how the phenomenon of daily pregnancy occurs?
The solar halo is a light phenomenon caused by the refraction of sunlight when it shines on the cryolite in the clouds. It forms a ring of color around the sun, and when the solar pregnancy appears, it also indicates that the weather will be bad. There will be changes.
Sunrise is also a very rare weather phenomenon, and the solar halo has a full halo or a gap halo. Sunrise is formed by cirrus clouds or cirrus clouds, a colored or white halo surrounding the sun. .
The sun's rays are received when passing through the cirrus cloud layer. The refraction or reflection of the ice crystals forms a corona. When the sun's rays hit the ice crystals in the cirrus cloud layer, they undergo two layers of refraction, so the sun The light is dispersed into various colors of light in different directions.
In fact, when there are cirrostratus clouds, there are countless ice crystals floating in the sky, and the ice crystals in the same circle around the sun can refract light of the same color into our eyes to form inner Infrared purple halo rings.
When there are cirrus clouds composed of ice crystals in the sky, one or more colorful rings with the sun as the center will often appear around the sun, and sometimes there will even be many white or Colored rings and points of light are called halos.
When the corresponding viewing angles of these halo radii are between 22 and 46 degrees, we can observe the phenomenon of daily movement with the solar eye. If the ice crystal content in the clouds is larger, Then the shape of the halo that appears after the sunlight is illuminated will be smaller, and the halo will become more obvious, and we can observe it more easily, but if the ice crystal content in the clouds is smaller, then There is no way to form a solar halo phenomenon, or even if it is formed, we cannot see this phenomenon clearly with the naked eye on the ground.
Moreover, most daily fortunes will appear in the spring and summer. There is also a proverb in the folk saying that the phenomenon of solar halo? The sun halo causes rain at midnight, and the moon halo causes wind at noon. This sentence means that if If a solar halo appears, then it will definitely appear in the middle of the night. If a lunar halo appears at night, it will definitely be windy at noon on the second day. Therefore, the sun and the moon also predict weather changes to a certain extent. A precursor. If a solar halo appears, the weather is likely to turn cloudy or rainy.