Traditional Culture Encyclopedia - Weather forecast - How many years does the solar halo occur?
How many years does the solar halo occur?
How many years does an annular eclipse occur? Every few years.
annular solar eclipse
Global scope: 1-2 years; Within China: once every 10 year.
The expected visible annular solar eclipse in China;
June 2, 20201:afternoon in Pulan, Naqu, Changdu, southern Sichuan, central Guizhou, south-central Hunan, south-central Jiangxi, south-central Fujian and south-central Taiwan Province.
June 2030 1: afternoon in Genhe, Heihe, Yichun, Hegang and Fuyuan, Inner Mongolia.
Eclipse 204 1 year101October 25th: in the morning in Xilinhot, Tongliao, Shenyang, Fushun, Benxi, Tonghua and Jilin.
Solar eclipse10 June 2042/10 2042: Zengmu shoal in the morning.
February 17, 2064 (Spring Festival) solar eclipse: southeastern Tibet, Linzhi, Qamdo, Xining, Qinghai, Jinchang, Wuwei, Ningxia, most of Inner Mongolia, Shanxi, Jilin, central and southern Heilongjiang took food but did not take it.
Eclipse 65438+20741October 27th (Spring Festival): In the evening, Beihai in Guangxi and Leizhou Peninsula in Guangdong reach the central, northeast, southwest Jiangxi and south-central Fujian.
1July 24th, 974: Morning between Xisha Islands and Nansha Islands in the South China Sea.
1June 22, 985: Xishuangbanna, Simao, Gejiu, Duyun, Guizhou, Guiyang, south-central Hunan, central Jiangxi, southeastern Zhejiang and northern Fujian in the morning.
Huanshi 165438+ 19951October 27th: Take a meal out in Shenyang, Liaoning.
Annular eclipse165438+1October 65438+1May, 996: eaten in Zengmu shoal.
annular solar eclipse
The principle of annular eclipse;
The principle of annular eclipse is similar to that of total solar eclipse. The annular eclipse also occurs because the moon is between the sun and the earth, but it is far from the earth and cannot completely cover the sun.
The process of annular eclipse is divided into initial loss, partial eclipse, initial eclipse, heavy eclipse, final eclipse, partial eclipse and last contact.
From the astronomical observation point of view, the observable phenomenon of annular eclipse is much less than that of total lunar eclipse, because the sunlight is not completely blocked, and many phenomena such as chromosphere, corona and Bailey bead are difficult to observe. However, in the annular eclipse stage, especially when the eclipse is very heavy, the central part of the sun is dark, and the edge is still bright, turning into a golden flashing ring, which is also a deep visual shock.
Every "astronomical feast" is a good opportunity to popularize astronomical knowledge to the public. In order to let people know more about astronomy, the China Astronomical Science Network Committee, which was jointly established by many domestic astronomical institutions, once set up the China Astronomical Science Network in Dali, Yunnan. The endless universe and spectacular astronomical phenomena can stimulate people's thirst for knowledge and exploration, strengthen the capacity building of astronomical science popularization, innovate the forms of science popularization, and improve the scientific literacy of the public in China.
Observation items:
According to astronomical experts, observing the annular eclipse on the ground requires certain weather conditions. If it rains, it will definitely miss the spectacle of the annular eclipse. At present, the rising mode of "watching the sky by plane" effectively avoids the weather obstacles, but if you need to fly during this period, you can observe the annular eclipse well. If you are waiting for boarding, you can choose the airport boarding gate as the observation place. If you are on an airplane, because the airplane is flying above the clouds, it is less affected by the clouds, so it is more conducive to observation.
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