This Is Why 2016 Is Going To Last A Second Longer Than Most Other Years

Written by Ana Krneta
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All of us are familiar with leap years. They normally occur every 4 years, and February gets a 29th day. The reason for this, is to keep our calendar year in time with the seasonal and astronomical year. After all, seasons and astronomical events do not follow a set calendar.

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But have you ever heard of a leap second? Well they exist, and unfortunately we are getting a leap second this year; 2016, the year we are all just waiting for too end. At least it's only a second though. Now, why does this leap second exist and when does it come around you ask?

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If you're thinking it's a much shorter version of a leap year, you're right. The reason for the leap second occurring, is due to the fact that our Earth is not a perfect sphere. In fact, it’s shape is much more similar to an egg rather than a basketball.

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Because of its egg shape, while it is doing its rotation around the sun, it makes the orbit a bit more shaky and sometimes slows down or even speeds it up. Of course, the Earth's own crust and mantle affects the speed of its rotation around the sun as well.

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If you're thinking it's a much shorter version of a leap year, you're right. The reason for the leap second occurring, is due to the fact that our Earth is not a perfect sphere. In fact, it’s shape is much more similar to an egg rather than a basketball.

Because of its egg shape, while it is doing its rotation around the sun, it makes the orbit a bit more shaky and sometimes slows down or even speeds it up. Of course, the Earth's own crust and mantle affects the speed of its rotation around the sun as well.

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