What explains why the northern and southern hemispheres experience opposite seasons at the same time?

The sun revolves around the earth in a strange pattern.

The earth changes its revolutions around the sun.

The sun changes the amount of heat it radiates.

The earth takes longer in completing rotations allowing for areas to heat up or cool off more.

The tilt of the earth affects how directly the sun's rays hit different parts of the earth.

The tilt of the earth affects how directly the sun's rays hit different parts of the earth.