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A lot of people know that the Earth revolves around the sun each day for 24 hours, but they don’t know that the planet’s rotational speed varies. It’s possible that a day could appear longer or shorter than you would expect. That is why the clocks made of atomic energy that keep a standard time must be periodically adjusted, adding or subtracting seconds. This change is known as leap seconds. This article will explain how this change occurs, and why it’s important to our daily routines.

A typical rotating event is precession, the oscillation of Earth’s axis of rotation, which is like a slightly off-center spinning toy top. This axial shift relative to fixed stars (inertial spaces) is a period of 25,771.5. It’s also responsible for switching the directions of cyclones across the Northern and Southern Hemisphere. Other rotating events include free nutation, the Chandler wobble and polar movement.

The speed of the rotator can be affected by other elements, like earthquakes, weather conditions, and other regular events. For instance, if core of the Earth rotates faster than the outer layer, a day can seem shorter. This change is caused by tidal forces acting on the surface of the Earth as well as gravitational pulls from other large objects in the Solar System, such as Jupiter and Saturn. This is the reason it’s crucial to consider the Earth’s rotational speed when creating fun park rides such as Ferris wheels and Carousels.