What is the principle of the spring equinox egg

Spring Equinox this day, the northern and southern hemispheres, day and night, was 66.5 degrees tilt of the Earth's axis and the Earth's orbit around the sun plane is in a state of relative balance of forces, while the Earth's magnetic field is also relatively balanced, so the egg is the best standing.

1, the spring equinox vertical egg, also known as the spring equinox egg, refers to the spring equinox this day every year, the popular folk vertical egg game, this Chinese custom has long been spread to foreign countries, become the "world game".

2, according to historical records, the spring equinox egg tradition originated in China 4000 years ago to celebrate the arrival of spring. "In addition to the original meaning of the egg, it also has the meaning of "immediately" and "adding", and people prayed for prosperity and succession from one generation to the next.

3, first of all, to pick a head of large and small eggs, standing eggs will be the big head down, so that the center of gravity will be relatively low, like a tumbler, easy to maintain balance.

4, find a suitable support surface, do a small experiment, in the desktop coated with mud, and then stand the egg on the desktop coated with mud, can be found, can stand the egg, the bottom of the bottom of a plane is difficult to see with the naked eye, once the line of action of gravity can pass through the plane, the egg will be able to stand up.

Spring Equinox:

1, the spring equinox, also known as the "ascending equinox", one of the twenty-four solar terms, the fourth solar term in spring. Doo refers to the dao, the sun's yellow longitude reaches 0 °, in the annual calendar March 19-22 cross section.

2, the equinox in astronomy is important, the equinox of the day the sun is directly above the equator, the northern and southern hemispheres, day and night, since the day after the sun is directly above the equator continues to the northern hemisphere, the northern hemisphere, the northern hemisphere day began to be longer than the darkness, the southern hemisphere and the opposite.

3, in the climate, there are also more obvious features, after the equinox in China, except for the Tibetan plateau, the northeast, northwestern and northern China are entering the bright spring.

4. The word "equinox" means "half". According to the traditional Chinese calendar, spring and summer between ninety days for the spring, the equinox is exactly equal to the three months, so the ancient equinox is also known as the "spring".