18. Adding An Extra Second
Remember how we told you that the Earth is being dragged by the Moon’s gravity? That phenomenon is gradually slowing the Earth’s rotation down. So how do we still maintain our 24 hour day time?
This is done by adding something called a ‘leap’ second every few years. By adding this second to our time calculation at the right time, we are able to retain the 24 hour time calculation. This leap second was added the most recent during the 2008 New Year’s Eve.
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