August 24, 2019

Event of the Week: A “Blue Moon” Eclipse!

This New Year’s Eve rounds off the calendar with an especially rare treat, although its one that not everyone will get to witness; a partial eclipse of the full “blue” moon. The second full moon of December, the first occurred on December 2nd of this month. This eclipse, however, is extremely shallow; at maximum, the moon will only be 7.63% immersed in the dark umbra of the earth’s shadow.

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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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