Why is there a distinction between spring, summer, autumn and winter, and why is there spring, summe

You're going to have to read a geography book for this, hehe. Let's talk about it in layman's terms: the earth revolves around the sun, based on the earth's axis, the earth is relatively inclined to the sun, so the distance from the sun to the earth is different, when the northern hemisphere is close to the sun, it is the summer of the northern hemisphere, on the contrary, the southern half is farther away from the sun, that is, winter, according to these, it can also be inferred that when the northern half is close to the sun, the northern half of the sun is illuminated in a large range, the days are long and the nights are short, and even the north pole will appear polar day, 24 hours are day, and the south pole is night for 24 hours.

Hehe, these are all geographical knowledge, study hard

Theoretically, it is possible to artificially reverse spring, summer, autumn and winter, but if it becomes like that, our life will not be easy, spring, summer, autumn and winter This is a gradual process, and it will make people confused when it is hot and cold. There is also the question of the name, in the past, people used to call the four seasons in the order of spring, summer, autumn and winter.

The earth revolves around the sun, and the distance causes the temperature of the earth to change, and people name spring, summer, autumn and winter respectively to distinguish their changes. Most of them are still used to calculate the growth cycle of crops. Of course, it can be changed, but the actual solar terms represented still won't change.

At present, human beings do not have the ability to change the trajectory and direction of the earth's revolution.

Because while the earth is constantly revolving around the sun, it is also rotating around its own earth's axis, but the earth's axis is not perpendicular to the orbital plane, but has an inclination of 23 degrees and 26 arc minutes. It is precisely because of the existence of this inclination angle that the direct point of the sun on the earth's surface moves between the Tropic of Cancer and the Tropic of Capricorn, thus forming the four seasons of spring, summer, autumn and winter.

Four Seasons: Four seasons refer to the four seasons that alternate in a year, namely spring, summer, autumn, and winter, with three months each. The four seasons of the year are formed because the earth revolves around the sun.

Due to the existence of the yellow-red angle, the annual change of the direct point of the sun moving back and forth between the north and south latitudes of the earth is 23°26, which causes the seasonal change of the height of the sun at noon and the seasonal change of the length of day and night, resulting in the seasonal change of the amount of solar energy obtained in various places, so that the change of the four seasons is formed. In ancient times, the alternation of seasons was determined by the pointing of the bucket handle, and the seven stars of the Big Dipper rotated in cycles, which was closely related to the change of seasons. The current seasons are usually determined by the position of the Earth in its orbit around the Sun.

The rotation of the four seasons reflects the changes in phenology, climate and other aspects, such as spring, summer, autumn and winter. In the southern region of China (low-latitude region), there are many rains, storms, and abundant sunshine, and the rainfall, storms, and sunlight change significantly during the change of seasons. In the northern region (mid-latitudes), there is little rain and storms, and the temperature changes significantly when the seasons change.

The reason for spring, summer, autumn and winter is that the axis of rotation of the earth is not perpendicular to the plane of its orbit (ecliptic plane), and forms an inclination at an angle of 23 degrees 26 minutes with the vertical line of the orbital plane (yellow-red angle), if the northern hemisphere is the head of the earth, the earth seems to revolve around the sun from head to toe (this angle will change slowly and slightly);

Moreover, the skewed direction remains unchanged, so that the North Pole will gradually move towards the sun or gradually towards space as the earth revolves around the sun, and when the revolution turns to certain positions, a large area of the northern hemisphere will be directed towards the sun, and the cold air in the Arctic will decrease to form the northern hemisphere summer;

In the Northern Hemisphere winter, the opposite is true, when the earth revolves around the sun, the northern hemisphere gradually faces space instead of the sun, the North Pole does not shine on the sun for a long time, and the cold air increases to form the Northern Hemisphere winter.

The season in the Southern Hemisphere is the opposite of that in the Northern Hemisphere, when a large area of the Sun shines in the summer in the Northern Hemisphere, the South Pole of the Southern Hemisphere faces towards space, and the temperature of the Sun does not shine at all for a long time, causing the Southern Hemisphere to become winter.

Spring and autumn are the transitional seasons, when the direct point of the sun is close to the equator, although the northern and southern hemispheres are gradually facing space instead of the sun, the earth is like facing the sun "sideways", and the sunshine area of the northern and southern hemispheres is the same, so the climate is neither hot nor cold.

Spring, summer, autumn and winter are the result of the Earth's orbit around the Sun. Spring begins with the "beginning of spring" in the 24 solar terms, and summer begins with "beginning of summer"; Autumn begins with the "beginning of autumn"; Winter begins at the beginning of winter.

Why is there spring, summer, autumn and winter? It takes a year for the earth to revolve around the sun, and the farthest time from the sun is winter, when the sun is closest to summer.

Spring, summer, autumn and winter are all formed by changes in air currents, as well as the rotation of the earth and other factors, and this phenomenon has existed for a long time.

I come to you why there is no spring, summer, autumn and winter, I think it is spring and autumn a year with 4 seasons and 4 seasons, and spring, summer, autumn and winter are divided into 4 seasons a year: spring, summer, autumn and winter.

Don't be angry and divide the four seasons of the year into four solar terms, spring, summer, autumn, and winter, so there is the term spring, summer, autumn, and winter.

There is no spring, summer, autumn and winter in the universe, only climate change in different periods. Spring, summer, autumn and winter are just names coined by people themselves in order to better distinguish between climate change.

Because the earth is round, the four seasons are distinct, and each season has its own characteristics.

The four seasons on Earth manifest first and foremost as an astronomical phenomenon, not only periodic changes in temperature, but also in the length of day and night and the height of the sun...The height of the Sun north of the Tropic of Capricorn.