First you must understand that the Earth is a sphere. Every year it moves in its orbit and makes one revolution around the Sun. Our planet’s orbit is an ellipse that looks more like an oval than a circle. Therefore, the Earth is sometimes closer to the Sun and sometimes farther away.
The Earth also rotates around its axis like a hill. In this case, it completes its full rotation in 24 hours. In this case, the axis is always inclined in the same direction, 23.5 degrees towards the North Star. It is this slope that causes the seasons to change.
In June, the planet’s Northern Hemisphere is tilted towards the Sun. As a result, the Earth receives more sunlight, solar energy, and longer days during this period. At the same time, the Southern Hemisphere is moving away from the Sun. That’s why Australia, Chile and Argentina experience winter at the same time.
So, as the Earth revolves around the Sun throughout the year, the parts of the planet that receive the most light are constantly changing.
If our Earth were not tilted at all, there would be no seasons. And if the slope were stronger, summer would be hotter and winter would be colder.
Source: Ferra
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