Summer solstice annular eclipse 6.2 1 Asian annular eclipse is coming?

This year's annular solar eclipse just happens to meet the summer solstice. It is a long day, and we can watch the solar eclipse in Phnom Penh on the longest day. Then use constellation knowledge to reveal the details of 6.2 1 Asian annular eclipse!

The longest day happened to be a solar eclipse in Phnom Penh. At 5: 44 on June 2 1 Sunday, Beijing time, the "summer solstice" among the 24 solar terms of the lunar calendar was ushered in. This day is the longest day in the northern hemisphere, and this year's summer solstice coincides with the annular eclipse, so the public can watch the "Phnom Penh solar eclipse" on the "longest day".

On the solstice of summer, there is an annular eclipse every day. "The day is north, the day is long, and the shadow is short, so it is called the summer solstice." According to experts, as early as the Shang and Zhou Dynasties, the ancients had found that the changes of the four seasons were related to the changes of the shadow length at noon, and thus determined the "dichotomy" in the 24 solar terms. During the summer solstice, the sun shines almost directly on the Tropic of Cancer, with the longest day in the northern hemisphere and the highest sun at noon. After the day, the sun gradually moved south. At the autumnal equinox, the direct point of the sun returned to the equator, and the whole world returned to the same length as day and night.

Annular eclipse path this year's summer solstice will also stage an annular eclipse. The annular eclipse belt passes through Tibet, Sichuan, Guizhou, Hunan, Jiangxi, Fujian, Taiwan Province and other places in China, and annular eclipse can be observed in the annular eclipse belt. Near the center line of the annular eclipse belt, most eclipses (the ratio of the diameter of the moon covering the sun) are above 0.99, and the sun is almost completely blocked by the moon. Outside the annular eclipse zone in China, partial solar eclipse can be seen, and the partial solar eclipse is bigger: the partial solar eclipse in Xinjiang is generally above 0.5, and the partial solar eclipse in Mohe, Heilongjiang, which has the smallest partial solar eclipse is also 0.2 1. This annular eclipse is particularly large, and it is very close to the total lunar eclipse, which is also commonly known as the "Phnom Penh solar eclipse". In addition, when this annular eclipse occurs, Venus is not far from the west of the sun, and the public can try to watch the "golden sunrise".

It is important to note that it is easy to burn the retina when looking directly at the sun with the naked eye. The public should not watch the solar eclipse directly with the naked eye or just wear sunglasses, not to mention directly through the telescope. The correct way is to wear a pair of eclipse observation glasses. If you need to use a telescope, you must install a special filter or dimming film to observe the sun.

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