Sometimes, the axis would point at another star, wobble around, then come back to the North Star. Scientists figured out that Earth's poles can wobble, Adhikari said, even as its angle in relation ...

because of the tilt in Earth’s axis. It is the angle of the Earth's tilt that causes the seasons: spring, summer, autumn and winter. In summer, daytime is longer than night-time and there are ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

Following is a transcript of the video. Early in the history of our solar system, something mysteriously knocked Earth slightly off its axis. So today we tilt at 23.5 degrees. But what would ...

But the Earth does not spin on a vertical axis - it is tilted at an angle of 23.5 degrees. This means that different parts of the planet are pointing at or away from the sun at different times of ...