China News Service, Nanjing, October 1st (Yang Yanci) According to the news from the Purple Mountain Observatory of the Chinese Academy of Sciences on October 1, Tianyu will usher in a round of "thin version" on this special "Eleventh" Mid-Autumn Festival and National Day "Happy Reunion". Full moon.

At that time, this "mini" full moon will kick off the night of "Super" Golden Week.

　　According to experts from the Purple Mountain Observatory, the Mid-Autumn Festival and the National Day are only four times in the 21st century. The last one was in 2001, and the other two will be in 2031 and 2077 respectively.

　　This time the "coincidence" brought a long holiday. When the earth is full of joy and joy, Tianyu will also take over the night performance of "Flower and Full Moon".

　　After sunset on October 1, a "petite and charming" Mid-Autumn Moon will gradually rise from east to south.

After dinner, about 20:30 to 21:30, this Mid-Autumn Moon will climb to a suitable viewing angle, which is very suitable for family watching the moon.

　　At midnight, the Mid-Autumn Moon will climb to its highest point in the sky just south.

At that time, people can enjoy the beauty of "the bright moon in the sky".

　　Astronomical experts said that in the astronomical calendar, this year’s Mid-Autumn Festival is "the moon with sixteen rounds of fifteen", and the roundest moment will appear at 5:5 am on October 2nd.

However, there is no obvious difference between the 15th and 16th lunar moons when viewed with the naked eye.

　　It is worth mentioning that this year's Mid-Autumn Moon will be more "leaner" than usual.

　　According to experts, due to the influence of the distance between the moon and the earth, the apparent diameter of the moon will vary when viewed from the earth.

In this year's Mid-Autumn Festival, the moon is about to pass an apogee, which is the second furthest moment from the earth in the whole year.

　　Therefore, this Mid-Autumn Moon will look significantly thinner than the full moons in other months of this year, becoming the “second mini” full moon of the year.

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