Why Are Days Longer In The Summer !exclusive! Review

This same tilt causes winter’s short days when your hemisphere is pointed away.

The primary reason for longer days in summer is the Earth's axis of rotation. Imagine a skewer running through the Earth from the North Pole to the South Pole; the planet spins around this line. However, this axis is not perfectly vertical relative to the sun. Instead, it is tilted at an angle of approximately . why are days longer in the summer

Earth doesn’t sit perfectly "upright" as it spins. Instead, it is tilted on its axis at an angle of roughly . This tilt is believed to have been caused billions of years ago when a massive object (often called Theia) collided with Earth. This same tilt causes winter’s short days when