- May 26, 2024
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Our daily schedule is shaped by numerous rotating events, whether it’s the rotation of the sun’s planets or the shift workers changing between night and day shifts. Some occur every day and some are unpredictable and irregular.
Precession is one of these rotating events that occur more frequently. It is the Earth’s slow wobble on its rotational axis. The wobble is similar to the slightly off-center rotation of a toy top. This tilting of the axis in relation to fixed stars (inertial space) is a period of 25,771.5 years. This is why Ferris wheels, carousels and other fun rides in parks must have a bar that is solid and running from side to side. Another common rotating event is a Coriolis effect, a mysterious push over a freely moving body system that alters its revolving motion on the scale of meteorology. This is the reason for a variety of weather conditions, such as the alternating direction of rotation of cyclones in the Upper and Southern hemispheres.
Although most people are aware that the planet rotates on its axis 24 hours a day Many aren’t aware that the speed of the rotation varies. Days can appear to be longer or shorter than they actually be. The Atomic clocks, which keep an uniform time, need to be tuned periodically. This type of adjustment is known as a leap second. This article will explain the meaning behind it and why it’s crucial to our lives.