Planet Earth is closest to the Sun in January (147 million km – perihelion – 3.01). Why is it the coldest time of the year in the Northern

Planet Earth is closest to the Sun in January (147 million km – perihelion – 3.01). Why is it the coldest time of the year in the Northern Hemisphere?

The Earth’s axis of rotation is constantly tilted to the orbital plane by 66.5 degrees. 12.22 – the day of the winter solstice. At this time, the northern end of the Earth’s axis is turned away from the Sun, the angle of incidence of sun rays in the northern hemisphere is the smallest. The northern hemisphere receives less heat and is winter there at this time.

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