which is not perpendicular to Earth’s orbit. During winter, the North Pole is tilted away from the Sun’s rays. As the Earth travels around the Sun, the tilt gradually causes the northern ...

Here, follow a step-through animation that explains ... caused by the combined motion of the Earth rotating on its axis and its movement around the sun. To find out more, see His Big Mistake ...

which is not perpendicular to Earth’s orbit. During winter, the North Pole is tilted away from the Sun’s rays. As the Earth travels around the Sun, the tilt gradually causes the northern ...