Beijing actually photographed the aurora!
It's a long time to see!
Topic on the evening of December 1st.
Beijing Aurora rushed to the hot search.
It has aroused heated discussions among many netizens.
On the evening of December 1, netizens in Mohe, Daqing, Heilongjiang, Daqing, Tengger, Genhe and other places in Inner Mongolia have photographed the aurora, and even Huairou and Mentougou in Beijing have also recorded the aurora phenomenon, did you see it last night?
According to the official Weibo news of Mentougou District, at 19:57 on December 1, in the direction of Lingshan Mountain in the northwest of Baihua Mountain, Yang Nan, an employee of Baihuashan National Nature Reserve, photographed a rare aurora phenomenon (** in red). According to Li Zheng, an engineer at the National Astronomical Observatories, this is the first time that the aurora has been recorded on a large scale in the city since the advent of photography technology. According to astrophotographer Pu Shi, the solar activity, it is very rare to photograph the aurora in Beijing, if you want to observe the aurora, you need to go to a place with a higher altitude and an excellent dark night environment, and the Baihua Mountain area has a unique altitude and dark night advantage, which is very beneficial to the aurora observation. China's National Geographic Channel's Weibo also ** astrophotographer Pu Shi photographed the aurora phenomenon in Huairou in Beijing at 19:52 on December 1. 
Han Dayang, an engineer at the National Space Weather Monitoring and Early Warning Center, said that according to the latest results, the geomagnetic storm will continue for some time, but it is unlikely that the scale and intensity will exceed the previous one. As for whether the ** photographed in Huairou in Beijing is the aurora, he thinks that more information is needed to confirm. According to the CCTV news client, on the evening of December 1, the aurora also appeared in Mohe, Tahe and other places in the Daxinganling area of Heilongjiang Province, and many local residents and tourists photographed this beautiful scenery.
*: CCTV news client (*provided by Hao Daqing, An Shichun, Wang Yong) has seen so many shocking pictures, so people are screaming"Beauty was stunned"What the hell is the aurora?How are the aurora produced?Most of the energy on the earth is the sun, and the aurora is no exception, and its energy is also the sun. The Sun is a huge celestial body that is constantly undergoing nuclear fusion, and in addition to providing energy to the Earth, nuclear fusion will continue to produce a large number of high-energy charged particles. This material gushes out and fills the entire solar system, figuratively known as the solar wind. As we all know, the earth's magnetic field is like a shield, which can resist the "thousands of troops" from the universe.
Therefore, the solar wind does not blow directly to the earth, but is stored around the earth under the action of the earth's magnetic field, and when the stored energy is saturated, it will run along the magnetic field lines to the earth's atmosphere, and after colliding with the atmosphere, the atoms and molecules in the atmosphere gain energy and release, which forms the aurora that we feast our eyes on. The most common color of the aurora is green, but there are also red, purple, etc.
What is a geomagnetic storm?As the most typical solar eruption activity, a coronal mass ejection process can throw hundreds of millions of tons of solar material off the surface of the sun at a high speed of hundreds of kilometers per second, not only the kinetic energy of the huge mass and velocity convergence, but also the powerful magnetic field energy of the sun, once it hits the earth, it will cause a change in the direction and magnitude of the geomagnetic field, that is, a geomagnetic storm.
With the gradual intensification of magnetic storm activity, the Earth's upper atmosphere is continuously heated, and then expands and spreads into higher space, which creates additional drag for the spacecraft to fly in orbit, produces a drag-like deceleration effect, and reduces the orbital altitude of the spacecraft, and the reduction of altitude corresponds to a denser atmospheric environment, which will further bring greater flight resistance, so that the flight speed is slowed down, the altitude is reduced, the drag is greater, and the flight is further decelerated - The vicious circle of faster altitude reduction poses a great threat to the safety of spacecraft. 
Geomagnetic storms are not all bad, such as the occurrence of auroras. Judging the momentum of future solar activity based on the current change in sunspot number, 2024 is still the high year of solar activity. This means that at least in this winter, there is still a possibility of seeing the aurora in the north of our country.
The impact of geomagnetic storms on humans is negligibleFor the general public, especially carrier pigeon players and aurora enthusiasts, it is important to keep an eye on space weather information in the coming days. Zhu Jin, a researcher at the Beijing Planetarium and editor-in-chief of Astronomy Enthusiast magazine, said that geomagnetic storms will have an impact on short-wave communications, but because they will not last too long, the impact on the human body is small and negligible. 
Editor-in-chief: Beijing News.
China News Service.