Invierno: ¿qué causa el invierno?

The video explains why winter is the coldest season, focusing on the Earth's motion around the Sun. It describes how the Earth's spherical shape and tilted axis affect the seasons. The Northern Hemisphere's tilt away from the Sun during winter results in less sunlight and colder weather.

Explain the relationship between the Earth's motion around the Sun and the seasons.

Why does the Northern Hemisphere receive the least amount of sunlight in winter?