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The Earth's tilt is affected by the Sun's gravity. The major effect is precession, which means that the tilt stays roughly the same but the axis behaves like the axis of a spinning top. It makes one rotation in 25,000 years.

The practical effect of this is that all the positions of objects in the sky are constantly changing so that they have to be recalculated every 50 years or so and a new star atlas produced.

That first answer is about the Earth's tilted rotation axis.

However, the question seems to be about the tilt of the Earth's orbit around the Sun. That tilt is fairly stable and Earth's orbit is not tilted much from the overall average for the solar system.

Any long term changes in the orbital tilt would again be caused by gravitational effects.

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The plane of the Earth's orbit is inclined by 1.57869º (in 2000) to the invariable plane discovered by Laplace, which is the plane of the average angular momentum of all objects in the Solar System, a plane that passes through the centre of gravity. The inclination of the Earth's plane to the invariable plane is reducing at 18 seconds per century.

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Related Questions

How earths movement around the sun affects the seasons?

the earh's tilt affects the seasons


How earths movement around the sun affects the season?

the earh's tilt affects the seasons


What causes us have season?

the earths tilt and the orbit around the sun


How does the tilt of earths axis and its rotation affect the weather?

The same way it affects most of earth. The seasons are caused by the tilt of the earth's axis relative to the plane of its orbit.


What is another name for earths tilt?

Earth's tilt is also known as its axial tilt. It refers to the angle at which the Earth's axis is tilted in relation to its orbit around the Sun.


What is the the degree of the earths inclination?

The Earth's tilt, or inclination, or obliquity is about 23.44 degrees from the plane of its orbit around the Sun.


How does the earths orbit around the sun cause the seasons?

Actually, it doesn't. The TILT of the Earth on it axis causes seasonal changes.


What causes use to have seasons?

Seasons are caused by the tilt of Earth's axis as it orbits the Sun. The angle of the tilt affects the angle at which sunlight hits the Earth's surface, leading to variations in temperature and daylight hours throughout the year. This tilt results in different amounts of sunlight reaching different parts of the globe, creating the four seasons.


Does the Moon's movements around earth have anything to do with the seasons of the year?

Tides yes, seasons no. The Earths tilt causes the seasons as we orbit the sun.


What changes in the earth orbit and the tilt of the earths axis cause ice ages?

Climate


What two things causes the earths four seasons?

The Earth rotates on its axis causing either the North or South Hemishere to tilt towards the sun which ever hemishere is tilted toward the sun it is probably spring or summer.


Two reasons for seasons?

1. Tilt of earths axis 2. Earths axis remains parallel throughout its yearly orbit.