Why the seasons happen

Grade 9 · Earth science

Why is it winter when Earth is closest to the Sun?Closest to the Sun, yet winter?

In early January the north is freezing, yet Earth is nearer the Sun than at any other time of year. Today we find out why.

Earth tilted on its axis, with parallel rays of sunlight arriving from the upper right and lighting one side.SunlightAxis tilt 23.4°