This axis is an imaginary line that runs through ... The further you move away from the Equator both north and south, the greater the differences in daylight hours in summer and winter.

Earth’s axis of rotation is tilted, as you can see from this illustration. This means that day and night are not equal lengths in most places on the planet. As Earth moves through its orbit ...

Stand on the equator and you'll be moving at 1,670 kilometers per hour — faster than the speed of sound! That's how quickly Earth rotates on its axis, from West to East. And that rotation is ...