Who is bigger than the size of the earth s revolution and the size of the year?

To be honest, high school students only ask to know their cycle, not to understand and distinguish! If there is a difference, it should be studied in the "Introduction to the Earth" that I studied at university. Primary school student?

You just tell them it's all the same, don't compare! Because it's different, when he asks you to explain why, you may not understand, let alone explain it to them, and even if you do, you won't understand.

The earth's revolution is called the sidereal year, which is different from the calendar year we use is 365 days (leap year 366) days, and there is a cycle called the return year, which is different from the sidereal year, and the key to the difference is that the earth is rotating at the same time, and the earth's rotation is "precession", producing: precession:. Do you understand that way for them to explain?

The rotation of the Earth is called a sidereal day, which is also different from the day we use (24 hours of solar day), because they are different references.

Do you understand the knowledge of "precession" and "precession"? But ordinary children can't understand it.。。 So it is advisable to tell them the same thing and explain it when they grow up.

A year is longer than one revolution of the earth, and one day is longer than one rotation of the earth.

Since the formation of the earth, it has rotated once a day, and it is a disk composed of gas and dust that revolves around the sun, and the dust and rocks stick together to form the earth. And in the early days, all the matter in the solar system would rotate in the same direction, and the Earth would start to rotate in the same direction due to the impact. Plus in space, there are no objects that hinder the rotation of the Earth.

So once you start spinning, you will keep spinning after that.

The time it takes for the Earth to revolve around the Sun is one year (days). The time it takes for the Earth to make one revolution around the Sun is the Earth's orbital period. The orbit of the Earth's revolution is elliptical, the semi-long diameter of the orbit is 149597870 km, and the average orbital velocity of the revolution is km per second; The angle between the orbital plane (ecliptic plane) and the Earth's equatorial plane is 23°27', known as the yellow-red cross.

It takes 23 hours, 56 minutes and 4 seconds for the Earth to rotate in one cycle. The time of revolution is one year, which is 365 days and 46 minutes.

The time taken for the Earth to complete one revolution is 23 hours, 56 minutes and 4 seconds. The time it takes for the earth to revolve in a day is 24 hours.

The Earth's rotation period is one day longer than its orbital period. Rotation period, an astronomical term, astronomyally refers to the time it takes for a celestial body to rotate once along its axis of rotation. For example, the dichotox, the alternation of day and night, and the length of day and night are all natural phenomena inherent in the earth, and although they all involve diurnal conditions, their causes are different.

The dichotomy is a stationary concept that does not involve the movement of the Earth, but is determined by the Earth's characteristic that it is an opaque sphere.

Orbital revolution refers to the circular motion of an object along a certain orbit centered on another object; The orbit can be circle, ellipse, hyperbola, or parabolic. In astronomy, it is generally used to describe planets, comets and other stars orbiting stars; satellites, artificial satellites, etc. orbiting planets; Small-scale galaxies, nebulae, cosmic dust, etc., orbit large-scale galaxies; and larger-scale intercelestial orbital motions.

One week of the earth's revolution is a year; One rotation of the earth is 24 hours a day. Therefore, the answer to this question is 365 weeks (calculated as 365 days in a year).

1. There are different algorithms for the rotation period of the earth.

1) According to the year of the return of the earth (the center of the earth has passed the vernal equinox twice in a row), it is a day, or 365 days, 5 hours, 48 minutes and 46 seconds.

2) According to the sidereal year (the period obtained by using a distant star as a reference point, which is the true orbital period of the earth), it is a day, or 365 days, 6 hours, 9 minutes and 10 seconds. The Earth's orbital period used in general daily life is the algorithm of the return year.

2. A natural phenomenon caused by the revolution of the earth.

1) The phenomenon of day and night alternation, towards the hemisphere of the sun, is day, and the hemisphere with the sun behind is night;

2) various motion rotation phenomena caused by geostrophic deflection forces in the northern and southern hemispheres;

3) Places on earth with different longitudes, when there are different places; Longitude every 15 degrees, local time difference of one hour;

4) the phenomenon of time difference in the eastern and western regions, and the phenomenon of biological work and rest;

5) Effect on the shape of the earth. The inertial centrifugal force generated by the rotation of the earth causes the earth to gradually expand from two stages to the equator, and it is a slightly flattened spheroid before the ruler.

The earth's celery faction is a suspicion of selling the week, which is a year; The Earth rotates in one rotation and is 24 hours a day.

So, the answer to this question is 365 weeks (365 days in a year).

The rotation is about 366 weeks. And 365 days a year is because the earth rotates once and cancels out the rotation of one circle.

Categories: Education Hand Reform Science >> Science and Technology.

Problem description: Tell me! Or eggplant! Thank you.

Analysis: One revolution of the earth is one year; One rotation of the earth is 24 hours a day.

So, the answer to this question is 365 weeks (365 days in a year).