Why the southern hemisphere experiences summer when the northern hemisphere experiences winter.

Northern hemisphere and southern hemisphere are two poles of the earth that are responsible for a different environment.

Explanation:

Theses both hemispheres have different climate at its poles. This happened because of pf the tilt of the earth. on the axis. When the northern pole gets tilt towards the sun it gets to summer.

The northern poles get sarcastically hotter season. So that when the northern pole is hotter the southern pole gets cooler at that time. All has happened because the earth gets tilted towards its poles or axis.