While the date shifts slightly due to the leap year cycle and the slight wobble of Earth's orbit, it almost always falls within the first few days of the year.
Here is the complete content regarding the date, science, and effects of this event.
The Earth follows an elliptical orbit around the Sun, meaning the distance between the two bodies is constantly changing. The specific moment when Earth reaches its minimum distance from the Sun is known as perihelion.
The Gregorian calendar does not perfectly match Earth’s orbital period.
[Insert Date, usually around early January]
The seasons are not caused by our distance from the Sun, but by Earth’s (about 23.5 degrees). In January, the Northern Hemisphere is tilted away from the Sun, receiving less direct sunlight and shorter days — hence, winter. Meanwhile, the Southern Hemisphere is tilted toward the Sun, enjoying summer.
While the date shifts slightly due to the leap year cycle and the slight wobble of Earth's orbit, it almost always falls within the first few days of the year.
Here is the complete content regarding the date, science, and effects of this event.
The Earth follows an elliptical orbit around the Sun, meaning the distance between the two bodies is constantly changing. The specific moment when Earth reaches its minimum distance from the Sun is known as perihelion.
The Gregorian calendar does not perfectly match Earth’s orbital period.
[Insert Date, usually around early January]
The seasons are not caused by our distance from the Sun, but by Earth’s (about 23.5 degrees). In January, the Northern Hemisphere is tilted away from the Sun, receiving less direct sunlight and shorter days — hence, winter. Meanwhile, the Southern Hemisphere is tilted toward the Sun, enjoying summer.
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