Earth’s axis of rotation is tilted, as you can see from this illustration ... It is the angle of the Earth's tilt that causes the seasons: spring, summer, autumn and winter.

Because of that, different parts of the Earth get exposed to more or less sunlight as the planet rotates around the sun. That's why we have seasons. It's also why the northern and southern ...

These shifts in seasons are dependent on the tilt of the earth's rotational axis as it ... pronounced deviations from a circular orbit. For example, Mars has an average distance from the Sun ...