Tag Archives: Units of time

NASA Explains Reason Behind Extra Second for June 30

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On the coming Tuesday, that is June 30th, 2015, the day will be slightly longer than usual. A single second known as a leap second will be added to the duration of the day. What is happening is that...

Winter Solstice Tonight Could be the Longest in the Earth’s History

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Every year, on the nights of 21st and 22nd December, the Earth just revolves around its axis a little bit slower. This phenomenon leads the residents of the Northern Hemisphere to experience the...