Effect of precession, what is precession?

Due to precession, the Earth's aphelion is delayed by one day every year. Now perihelion in the Northern Hemisphere is winter, and after a 1-2 precession cycle, the perihelion in the Northern Hemisphere will be summer. The precession cycle is the Earth's macroclimate cycle.

Due to precession, the Earth's aphelion is delayed by one day every year. Thus, over the time of the 1-2 precession cycle, the Eastern Hemisphere crust transplaces into the Western Hemisphere on the mantle, and the Western Hemisphere crust transplaces into the Eastern Hemisphere on the mantle.

Precession, in astronomy, refers to a slow and continuous change in space caused by gravity on the axis of rotation of a celestial body. Yu Xi, an astronomer of the Jin Dynasty, discovered the precession and calculated that the winter solstice recedes one degree after every 50 years, which was a leading position in the world at that time.

The discovery of precession and the calculation of accurate values are of great significance to the formulation of China's calendar. Later calendars have introduced this achievement, making the precession value in our calendar more and more accurate.

Precession was discovered by Hipparchus. Hipparchus was a great astronomer in ancient Greece who compiled a list of the positions of 1,022 stars. In 130 B.C., Hipparchus formulated the magnitude, questioned Aristotle's theory that stars are immortal, and created the first star catalog in the West, and discovered precession.

Precession was discovered by Hipparchus. Hipparchus was a great astronomer in ancient Greece who compiled a list of the positions of 1,022 stars. In 130 B.C., Hipparchus formulated the magnitude, questioned Aristotle's theory that stars are immortal, and created the first star catalog in the West, and discovered precession.

Precession was discovered by Hipparchus. Around 150 BC, the ancient Greek astronomer and founder of ancient Western astronomy, Hipparchus, discovered the precession by comparing his observations with those of his predecessors. In the fourth century A.D., when China's Jin Dynasty astronomer Dan Jieyu Xi analyzed the ancient star map and the starry sky, he found that the position of the stars was slightly offset, and then discovered the precession.

Who found out about the precession.

Precession is an astronomical phenomenon that refers to a long-term precession of the Earth's axis of rotation, causing the vernal equinox to shift westward along the ecliptic, making the return year shorter than the sidereal year. The vernal equinox moves westward by 1 degree every 100 years, which is the earliest discovery of precession.

The result of the combination of the earth's revolution and the earth's axis is precession, and this combination determines that the equinox's position of the earth is not a fixed point, but a moving point that constantly moves westward in the orbit of the earth, which in turn leads to one revolution of the earth is not equal to one week of latitude change of the direct point of the sun.

And because of the movement of the vernal equinox, the return motion of the direct point of the sun is about 20 minutes different from that of the sidereal year. Precession was one of the most important astronomical discoveries in the historical period at that time, and it played an important role in the calculation of the calendar and the determination of the position of stars.

Couples with a large age difference may be at risk of:

1. Different social circles.

Due to the difference in age, the two may have different circles of friends and social circles. This can lead to feelings of isolation or discomfort in each other's circles. It is advisable for the two to participate in each other's social activities together and try to make new friends to build their own social circle.

2. Differences in health status.

Age differences can lead to differences in health status. One older partner may have some health issues, while the other younger partner may be healthy. It is advisable for both of them to focus on health issues together, have regular physical check-ups, and develop a health plan.

3. Differences in family backgrounds and values.

Due to the age difference, the two may differ in terms of family background and values. This may lead to disagreements between the two in terms of lifestyle, educational concepts, etc. It is advisable for two people to communicate openly, understand each other's values and backgrounds, and try to respect each other's ideas and decisions.

Fourth, the future plan is different.

The age difference may also lead to differences in future planning between the two. An older partner may have thought about retirement and retirement, while another younger partner may not have thought about them. It is advisable for both of them to plan for the future together, including financial, family, and lifestyle aspects, to ensure that they have common goals and plans.

Then the ways to deal with it are:

1. Embrace change.

The age gap is large, and the values and outlook on life between each other will also be different, and there is a generation gap between them. In life, there will be contradictions due to disagreements, and the division will be like a disagreement, so one party needs to take the initiative to make concessions, tolerate the other party, and understand the other party.

Second, physical problems.

Love is inseparable from the life of husband and wife, and the large age gap has to face the problem of physical fitness. Whether the couple's life will be satisfying and whether it will be able to satisfy both parties. These are all things to consider, after all, this is also a matter that needs to be seriously considered.

3. Be yourself.

There is a big age gap in love, and we can't avoid the gossip of people around us, what we can do is to be ourselves, live our own lives, don't mind other people's eyes, don't care about other people's opinions. It's important to make your life happy.

Fourth, face together.

There will be many difficulties in the problems that need to be faced by the large age gap, since they are in love, then they must cherish each other and not be easily defeated by reality. Love needs to be managed, and two people must learn to face various problems in life together and manage their own lives.

Precession is the time difference between the return year and the sidereal year.

precession definition; The year is the year, and the precession is the time difference between the return year and the sidereal year.

It is the differential rotation of the earth that shortens the time of the return year, resulting in precession.

It's the age difference between people of different ages.

Hello, glad to answer for you. 1. Men are two years older than women There is a saying in psychology that men's psychological maturity will be two years later than women's, so many men and women of the same age will appear more mature when they walk together. In daily interactions, there will be essential differences because of this psychological age gap.

Maybe when men feel that they can play for a few more years, women are already thinking about how to plan their future. Therefore, when men are two years older than women, their mental age becomes the same age, which is not only easier to find topics, but also has no difference in thinking. Both parties are in the same class, and it is easier to empathize, even in each other's lives, when there is a quarrel, you can apologize or reconcile in a way that both parties understand.

2. Women are three years older than menThere is an old Chinese saying, called: female college seniors hold gold bricks. This sentence is actually very reasonable, the psychological maturity age of women is earlier than that of men, and they are three years older physiologically.

It is said that in love, if you find a woman who is older than yourself, it will be very comfortable, she has long lost the abrasiveness and willfulness of a little girl, and getting along with each other can also become very easy. And three years older is actually just right, after all, the three-year-old generation gap, when the two people have not yet had a difference in concept, and the woman is more mature than you, the man will gain a considerate, sensible and caring girlfriend, they will not lose their temper at you because of your immaturity in dealing with something, but will comfort you, and you also have your own common topic.

As we all know, the gyro almost does not rotate completely parallel to the ground, and will shake up and down or even stop due to the gravitational imbalance on both sides of the top. The earth is similar to a spinning top, it rotates around the earth's axis, and the direction of rotation will not be fixed for some reason, which causes "age chips". To put it simply, precession is the phenomenon of the displacement of the vernal equinox caused by the precession of the earth's axis of rotation.

Under the gravitational forces of the sun and the moon, the spatial orientation of the earth's axis of rotation is not stable, and while moving around the center of the earth, the axis perpendicular to the ecliptic plane is also moving slowly and continuously, and from the northern hemisphere, about 25,800 years clockwise (from the northern hemisphere) rotates once (from the northern hemisphere), depicting a cone. This also causes the vernal equinox to rotate once every 25,800 years along the ecliptic, and in the opposite direction of the sun's annual apparent motion, moving westward approximately each year. This long-term precession (or precession) of the Earth's axis is called the precession of the sun and the moon because it is caused by the sun and the moon.

In addition, the planet also has a certain gravitational effect on the Earth, which causes the Earth's orbital plane to constantly change its position, which not only changes the angle of the yellow and red cross, but also causes the vernal equinox to produce a small displacement along the equator, in the opposite direction to the precession of the sun and the moon, this effect is known as the planetary precession. The precession of the planets causes the vernal equinox to move eastward along the equator about annually. If the precession of the sun and the moon and the precession of the planets are combined, the coordinates of celestial bodies such as right ascension and red tail will change, and we call the amount of change in a year annual precession.

In addition, according to the general theory of relativity, the axis of rotation of a rotating object such as the Earth also produces relativistic precession in a narrow space, called geodetic precession. The geodetic precession of the Earth is. The Earth's orbit "ecliptic" does not coincide with its equator, and we call the point where they intersect the vernal and autumnal equinoxes.

The time when the sun returns from the vernal equinox to the vernal equinox is represented by the return year.

Because of precession, individual celestial bodies change over time. It is speculated that in 10,000 years, Vega will become the North Star. Because of the precession, the 12 zodiac signs of the zodiac in ancient Greece have increased by one ophiuchus to 13.

In addition, the intercalation of the year in the solar calendar is also related to the precession.

The ancient Greek astronomer Hipparchus described the phenomenon of precession by saying; The ecliptic longitude of all stars changes significantly (eastward), while the ecliptic latitude does not change at all. There are significant changes in the interpretation of precession by the precession of the earth axis, and the yellow longitude and latitude are obviously incorrect.

precession solution precession test of the earth axis;

Only the precession of the Earth** is consistent with the ancient Greek astronomer Hipparchus's description of the phenomenon of precession.