The autumn equinox marks the change from summer to autumn in the northern hemisphere when the leaves begin to change color and the days gradually become shorter.
This astronomical event, often known as the autumn equinox, is important scientifically and culturally.
This article will examine the meaning of the 2023 autumn equinox, its importance, and the various ways it is observed around the world.
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- When will the 2023 equinox arrive?
- What is the 2023 equinox?
- What does the solstice mean?
- Meteorological and astronomical stations are different, but what is the difference?
When will the 2023 equinox arrive?
The fall season in the northern hemisphere officially begins on Saturday with the equinox.
What is the 2023 equinox?
Credit: AP
The Earth rotates around the sun in an oblique direction. The Earth’s axis is tilted toward or away from the sun for most of the year. It follows that the northern and southern parts of the planet receive different amounts of heat and light from the sun.
Earth’s axis and orbit align at the equinox, distributing sunlight equally to both hemispheres.
The Latin words for equal and night form the word equinox. This is due to the fact that, depending on where you are in the world, day and night last almost the same amount of time at the equinox.
Depending on the year, the spring equinox, or the beginning of spring, can occur between March 19 and 21 in the northern hemisphere. The fall or fall equinox can occur between September 21 and 24.
What does the solstice mean?
Credit: NASA
Depending on the year, the spring equinox, or the beginning of spring, can occur between March 19 and 21 in the northern hemisphere.
The fall or fall equinox can occur between the strongest tilts of the Earth’s axis toward or away from the sun and is observed during the solstices.
This indicates that the hemispheres receive very different amounts of sunlight and that days and nights are very unevenly distributed.
The longest day and shortest night of the year occur during the summer solstice in the Northern Hemisphere, when the top half of the Earth rotates toward the sun. The solstice occurs between June 20 and 22.
The northern hemisphere moves away from the sun on the winter solstice, resulting in the shortest day and longest night of the year. Between December 20 and 23 (or December 21 and 24) the winter solstice occurs.
Meteorological and astronomical stations are different, but what is the difference?
Credit: iStock
These are simply two different methods of dividing the year. Climate determines the seasons of the atmosphere. Based on annual temperature cycles, they divide the year into three seasons, each lasting three months.
According to the calendar, spring begins on March 1 and ends on December 1. Summer begins on June 1 and ends on September 1.
The Earth’s orbital path around the sun determines the astronomical seasons. The beginning of spring and autumn is marked by the equinoxes, when the sun is positioned evenly in both hemispheres.
Summer and winter begin at the solstices, when the Earth experiences its greatest tilt toward or away from the sun.
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Source: vtt.edu.vn