We explain what the Earth translation is and the consequences of this motion. The speed it reaches and the Earth’s rotation. Please read other MTV articles for more information. If you share it, it will be of little help to us.
What is the Earth translation?
The Earth translation is one of the movements the planet undergoes and consists of orbiting the Sun. It takes 365 days and 6 hours to complete the journey. Every four years, those hours are added together for a total of 24 hours. This is the reason why, every four years, we have a leap year in our calendar, in which the month of February has one more day.
The translational motion occurs in Earth’s orbit and covers a distance of 930 million kilometers. Although the average distance between the Earth and the Sun is 150 million kilometers, the elliptical or oval-shaped orbit means that, in some sections, the Earth is closer to the Sun and in others, farther away. These distances cause climatic differences on the planet that give rise to the seasons.
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Consequences of the translational motion
The two main consequences of the Earth’s translational motion are:
The succession of seasons. The Sun’s energy heats the planet’s surface with varying intensity, depending on the tilt of the Earth’s axis. Therefore, during the translational motion, when the Earth is farther from the luminous star, the rays impact directly and with greater energy intensity. In contrast, when the Earth is closer to the Sun, the rays are projected in a curved shape, which causes a loss in energy intensity. These variations produce different temperatures that give rise to the four seasons:
- Spring: The season begins with the vernal equinox, between March 20 and 21 in the Northern Hemisphere, and between September 22 and 23 in the Southern Hemisphere.
- Summer: It is the hottest season and begins with the summer solstice, on June 21 in the Northern Hemisphere and December 21 in the Southern Hemisphere.
- Autumn: It begins in the Northern Hemisphere with the autumnal equinox, around September 23 in the Northern Hemisphere and March 21 in the Southern Hemisphere.
- Winter: It is the coldest season and begins with the winter solstice, between December 20 and 23 in the Northern Hemisphere, and between June 20 and 23 in the Southern Hemisphere.
In regions near the equator, the climate is tropical year-round because the sun’s rays are projected directly, without much disturbance. There are only two seasons, which differ in the intensity of rainfall: the dry season and the rainy season.
The length of day and night. While the Earth’s rotation produces day and night, it is the Earth’s rotation that determines whether the days are longer and the nights shorter, or vice versa, depending on the season (i.e., the planet’s distance from the Sun).
Earth’s Rotational Speed
Because the Earth moves in its elliptical orbit, the speed of its rotational motion is not constant; it varies slightly. It is estimated that the approximate rotational speed is 107,000 kilometers per hour. We do not feel it due to the Earth’s gravitational force, which attracts everything on the Earth’s surface like a magnet.
Earth’s Rotation
Rotation occurs when a body, such as planet Earth, rotates on its own axis, which remains fixed. On the other hand, rotational motion is the movement of a celestial body as it rotates in its orbit around the Sun.
The Earth’s axis is an imaginary line that is not straight but has an angle of inclination of 24° with respect to the Earth’s orbit. This inclination causes the Sun’s rays to strike the Northern Hemisphere with different intensities compared to the Southern Hemisphere.
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References
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