November 12, 2019

Astro Event of the Week: December 29th, 2008-January 4th, 2009: The Leap Second Strikes!

Revelers this New Years’ Eve can party a bit longer, thanks to the timely (bad pun) addition of a leap second on Dec 31st. The addition of a leap second is due to anomalies in the rotation of the Earth, such as the gravitational drag of the Sun and Moon, the motion of the oceans and tectonic plates, and other complex wackiness.

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