Question #141928
Why do the north and south poles have 6 months of winter (darkness) and 6 months of sunshine, rather than regular seasons?
Expert's answer
Because the earth's rotational axis is inclined at 23.4° to the vertical:
As we see, due to the angle the sunlight reaches the major part of the South pole and almost no light reaches the North pole. After 6 months, the earth passes a half of its orbit and the poles swap the polar night and day.
