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What is the basic meaning of the 2020 autumnal equinox? Three interesting natural phenomena

DailyBird Culture 2021-10-09 1 0

autumnal equinox is the solar term after the Bailu solar term in China. With the passage of time, the autumnal equinox has also formed many new cultures. What is the basic meaning of the 2020 autumnal equinox? What are the three interesting natural phenomena of the autumnal equinox? Let's understand this solar term together with the old yellow calendar!

2020秋分基本含义是什么 三种有趣的自然现象

what is the basic meaning of the 2020 autumnal equinox. "Fen" means the equinox of day and night. Like the spring equinox, the sun shines directly on the earth's equator on this day, and day and night are equal. Since then, the direct sunlight position moved southward, the days in the northern hemisphere became shorter and the nights longer, and the temperature decreased, which is of universal significance in the country. After the autumnal equinox, the days are getting shorter and the nights are getting longer in the northern hemisphere, and the days are getting longer and the nights are getting shorter in the southern hemisphere. From the winter solstice, the day is longer and longer, but from the spring equinox, the day is longer and shorter, but from the autumn equinox, the day is shorter and shorter than the night.

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are three interesting natural phenomena in the autumnal equinox. The north and south poles share the same day. Because the sun shines directly at the equator on the autumnal equinox, the north and south poles can see the sun at the same time. On this day, the north and south poles share the same day.

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, 2020秋分基本含义是什么 三种有趣的自然现象,

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are as long as the shadow. They can measure the height of the building without climbing, because they seem to have agreed with their shadow for a long time: because the height of this day is as long as the shadow, they know the length of the shadow and the height of the building.

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can't find their own shadow. On the autumnal equinox, the direct point of the sun shines impartially on the equator. When you come to the equatorial line, you will find that no object can find its own shadow.

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