19 that night, the spectacle of "five-star renju" was very lively. What romantic whimsy do you have?

The five-star renju of 202 1 appeared at 7: 00 pm on August 19, lasting for several hours and ending before 24: 00. It is understood that the last five-star renju appeared on May 20, 2000. According to the forecast, the next five-star renju will appear at noon on September 9, 2040, which is basically invisible.

1. What do you think of five-star gobang?

You can see it with the naked eye. You can find an open place to observe after work, which is usually visible to the naked eye. If you want to see more carefully, you can look through a telescope.

2. Where can I see Gobang?

It is understood that this kind of five-star gobang can be seen in most parts of China, but only if the weather is fine. Hunan, Fujian, Jiangxi, Guangxi, Guangdong, Heilongjiang, Jilin, Liaoning and other places can be seen. Henan, Fujian and Jiangxi have a high probability of moderate to moderate rain, and there is heavy rain in some places, which may not be seen.

3. What are the five-star gobang online viewing platforms?

By then, mobile phones Baidu and Weibo will provide live portals.

However, it should be noted that there may be rain in some areas, but there is still a chance to see the clouds disperse after the rain.

2. when can I see 202 1 five-star renju?

The five-star gobang of 202 1 can be seen after sunset on August 19, but the sunset time in each area is different, some are after 7 o'clock, and some need to wait until 8 o'clock to go online. If the weather is fine, you can enjoy it all over the country. This observation of the five-star renju can be seen clearly with the naked eye without an astronomical telescope. Advanced observation can be made with a telescope.

1. Why is there a five-star gobang?

Among the five major planets, Venus, Mars and Saturn appear on the western horizon, while Jupiter hangs in the sky at a 30-degree angle with the horizon, and Mercury approaches gradually. The five planets will be arranged in the order of water, gold, fire, wood and earth, and they will be connected in a line from high to low, which was called "five-star renju" in ancient times. Because the five planets are all big planets, Gobang is so bright that everyone can see it with the naked eye.

2. What is the cause of five-star alignment?

From an astronomical point of view, it takes about 88 days for Mercury to make a revolution, 225 days for Venus, 687 days for Mars, 4,333 days for Jupiter and 10760 days for Saturn. As long as we find the least common multiple of these numbers, it is the number of days required for five-star gobang.

3. How did the five-star renju astronomical phenomena come into being?

Five-star gobang once appeared in the early days of Song Huizong. This year, we can still see that "fire and water are incompatible." The five-star gobang is recorded in Song Yao Huiji Yi Rui Yi. "On April 19, the second year of Chongning, Taishi played:' Five-star parallel ecliptic, today's archaeological test is really Taiping Ruiying. I would like to follow the records of the Han dynasty: the world is peaceful, and the five stars follow. "Minister Cai Jing and others congratulated me." In feudal society, five-star gobang was considered auspicious. So, what is five-star gobang? Dahe Daily reporter learned that among the five major planets, Venus, Mars and Saturn appear on the western horizon, and Jupiter hangs at an angle of 30 degrees from the horizon.