The total solar eclipse will be staged soon! Why do some people say it is a bad omen? What does "Tiangou Food Day" mean?

The change of astronomical phenomena often gives people a more shocking and intuitive feeling. Although common astronomical phenomena have happened many times, unusual phenomena still make many people feel that they can't be missed.

For example, solar eclipse and lunar eclipse, 202 1 year 65438+February, there are mainly three kinds of astronomical phenomena. One is the Gemini meteor shower, so you can't watch it casually, because it often happens at night and people may fall asleep. Being able to wait patiently for the meteor shower shows that we really value this astronomical phenomenon.

The other is that the moon covers Mars, the planets revolve around the sun and the moon revolves around the earth. When it is in the right position, it will happen that the moon blocks other planets. Many places in China have the opportunity to see this Mars eclipse. However, the weather conditions should be good enough. If it is cloudy or rainy, it is naturally difficult to see.

Another rare astronomical phenomenon is the total solar eclipse. The total solar eclipse will take place on February 4, 65438. According to the range of the moon blocking the sun, solar eclipses can be divided into partial eclipse, total eclipse, annular eclipse and total eclipse. It is rare to see the total solar eclipse, which requires the moon to completely block the sunlight, limiting the area where this astronomical phenomenon can be observed.

About the solar eclipse, most of the ancients were afraid, and the famous saying was "Tiangou eats the day". In the eyes of some people, this phenomenon does not happen often, and what happens is related to some ominous things. Folk rumors even regard it as a "bad omen." Although total solar eclipse rarely occurs, it is difficult for people in a region to encounter it.

Considering other parts of the world, the possibility of encountering a total solar eclipse is obviously increased. In 2009, people in many places in China saw the "total solar eclipse", mainly in China. It's really hard to see a total solar eclipse in many places in China.

Modern people know the principle of total solar eclipse, and naturally they are not afraid of this astronomical phenomenon. The ancients didn't know the movement of celestial bodies, and they regarded it as a dog to eat the sun every time they met a total solar eclipse. I think this is an ominous sign and the result of superstition. The ancients believed in gods and linked some rare phenomena with gods, which easily gave birth to the saying that dogs eat the sun.

With the spread, many people believe it. Although the total solar eclipse is only a normal astronomical phenomenon, it will cause some signal interference. It may affect the ionosphere, and the signal propagation needs the communication frequency band reflected by the ionosphere, so the signal may be interfered.

Ultrashort wave communication equipment will not be affected. Compared with the interference caused by total solar eclipse on communication signals, some specific astronomical phenomena have greater interference. For example, in a magnetic storm, when a solar flare erupts, a stream of highly charged particles from the sun hits the ionosphere, which will significantly affect the transmission and reception of communication signals.

Therefore, visible celestial phenomena will not significantly affect people's lives. Invisible celestial phenomena may have a greater impact. Total solar eclipse is not what you want to see. The total solar eclipse of 202 1 cannot be seen in most parts of the world, only parts of Antarctica can be seen.

If you work in the Antarctic scientific research station, it is no problem to see this rare astronomical phenomenon. It is a problem for most people to go to the South Pole, let alone watch this total solar eclipse. There will be another total solar eclipse on April 8, 2024, covering a wider area and can be seen in many places in North America.

If China wants to see the total solar eclipse on a large scale, it will have to wait until September 2, 2035. People in the north will see a total solar eclipse of 1 min for 29 seconds. It doesn't matter whether you look at it or not. Total solar eclipses often occur. Compared with the solar eclipse, it is difficult to see a supernova explosion.

A supernova explosion near the solar system, two suns can be seen in the sky, and the light of supernova explosion can also be seen at night. There is sunshine at night, which will last for several months. If people are lucky enough to see that scene, they can be said to be very lucky.