[Commentary] On June 17, the reporter learned from the Purple Mountain Observatory of the Chinese Academy of Sciences that on the afternoon of June 21, a "circular eclipse" with excellent viewing effects will be staged in Tianyu. At that time, the center of the sun is dark, but the edges are still bright, forming a dazzling "gold ring" in the sky, which is spectacular.
[Same period] Hu Fanghao, Engineer, Science Department, Purple Mountain Observatory, Chinese Academy of Sciences
June 21st is the Sunday of this week, and there will be a horoscope on the summer solstice holding the "circular eclipse". It happens that this time the "circular eclipse" occurred on the day of the summer solstice, so the "eclipse" occurred on that day. At that time, the height of the sun will be very high, almost close to the top of the head, especially in our Tibet region of China, when the first loss is at noon, so the sun is almost above the head.
[Commentary] Hu Fanghao, an engineer from the Science Department of the Purple Mountain Observatory of the Chinese Academy of Sciences, said that the "eclipse" of this "circular eclipse" is very large, and the largest "eclipse" in China can reach 0.995, which is almost close to total eclipse. Although not as spectacular as the "Total Solar Eclipse", the "Circular Eclipse" is also very exciting.
[Same period] Hu Fanghao, Engineer, Science Department, Purple Mountain Observatory, Chinese Academy of Sciences
A very large "eclipse" means that the sun is covered by the moon in more areas. When the eclipse phase occurs, the bright edge of the moon is narrower, so we also call it "Phnom Penh eclipse." This is very exciting at this time. . However, the larger the "food points", there is also a disadvantage, which leads to our "circular food belt" is very narrow, only about 40 kilometers wide in our country, so it very cleverly avoids the cities of all major cities except Xiamen and Zhangzhou along the way. Area.
[Explanation] This "circular eclipse" China is in an excellent observation position, among which Tibet, Sichuan, Guizhou, Hunan, Jiangxi, Fujian, Taiwan and other places can see "circular eclipse".
[Same period] Hu Fanghao, Engineer, Science Department, Purple Mountain Observatory, Chinese Academy of Sciences
The course of this "circular eclipse" in our country started from the initial loss of the Ali area to the recovery of the Taiwan area. It lasted 4 and a half hours, so we look forward to the good weather that day can see this "circular eclipse".
【Explanation】Because of the fact that it is outside the "circular eclipse belt", astronomers in Jiangsu and Nanjing can only enjoy the "eclipse of the eclipse".
[Same period] Hu Fanghao, Engineer, Science Department, Purple Mountain Observatory, Chinese Academy of Sciences
This time the partial solar eclipse is still quite large, about 0.78. At that time, you can enjoy most of the sun covered by the moon, and the time is from the initial loss of 14:40 on Sunday to 17:15. Recovery, the duration of the whole process is about 2 hours and 35 minutes.
[Commentary] For this "Golden Ring" sky, Hu Fanghao gave some suggestions on how to make scientific observations: step on points in advance and choose a good observation position. When observing, people must pay attention to not looking directly at the sun with their eyes. Prepare a pair of special eclipse glasses in advance, and the continuous observation time should not exceed 2 minutes. If the weather is bad, the public can watch it through the live broadcast of "Earth Eclipse" carried out by the Astronomy and Science Popularization Union of the Chinese Academy of Sciences.
Reporter Ge Yong from Nanjing, Jiangsu
Editor in charge: [Wang Kai]