is an important traditional cultural concept in China. When different solar terms come, people will have rich and colorful folk customs, many of which have spanned a long history and continue to this day, and still have their own characteristics and full of interest. Now let's take a look at the famous autumn egg custom.
which solar term is before the autumnal equinox?
as early as 4000 years ago, China had the tradition of laying eggs at the autumnal equinox. At that time, it was to celebrate the coming of autumn. In fact, standing an egg has nothing to do with the autumnal equinox. It is to make the center of gravity of the egg lower than the curve position of the maximum circumference in the middle of the egg. In ancient legends, it is easiest to stand an egg on the autumnal equinox. Astronomers said that according to historical records, the tradition of laying eggs on the autumnal equinox originated in China 4000 years ago to celebrate the coming of autumn.
according to astronomical experts, the autumnal equinox is the balance of time, the balance of day and night, and the stability of egg standing is the best. There is also a view that standing eggs has nothing to do with the autumnal equinox. Eggs can be erected on any day of the year. At the same time, some folk places in China will hold interesting games or competitions of "vertical egg" on the autumn equinox.and
have two principles. First, on the day of the autumnal equinox, the day and night in the northern and southern hemispheres are equinox. The earth's axis inclined at 66.5 degrees is in a relative balance with the earth's orbital plane around the sun. At the same time, the earth's magnetic field is also relatively balanced, so the egg has the best standing ability. Second, because the autumnal equinox is in the middle of autumn, it is neither hot nor cold, the people are comfortable, the thinking is agile, the action is sharp, and it is easy to succeed.and
, but some experts believe that this is a purely technical problem, which has nothing to do with the autumnal equinox. Astronomy experts say that eggs can be erected on any day of the year, and stable eggs can remain intact for more than ten days without external interference.and
let's take a look at the three tips of autumn egg separation and see how to set up the egg without falling: 1. When selecting an egg, first select a large one and a small one. When setting up the egg, the big one will face down. In this way, the center of gravity will be relatively low, just like a tumbler, which is easy to maintain balance.
2. Look for the support surface and find the appropriate support surface. We did a small experiment. We painted the ink on the desktop, and then stood the egg on the desktop coated with ink. You can find that the bottom of the egg that can stand will have a plane that is difficult to see by the naked eye. Once the gravity action line can pass through this plane, the egg can stand up.
3. Keep your hands steady. Since the position of the yolk in the raw egg will also affect the standing of the egg, keep your hands still as far as possible so that the yolk can slowly settle to the lower part of the egg, so that the center of gravity can be low enough to keep the egg balanced.and
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