december Archives - The Sun Today with Dr. C. Alex Young

December 21, 2019

During the solstices, Earth reaches a point where its tilt is at the greatest angle to the plane of its orbit, causing one hemisphere to receive more daylight than the other. (NASA/Genna Duberstein)

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Solstice & Equinox

Happy Solstice! December 2019

The December solstice for 2019 arrives on Dec. 22nd at 04:19 UT (December 21st 11:19 pm EST). It is called the winter solstice for the Northern Hemisphere and the summer solstice for the Southern Hemisphere. But what is the solstice […]

December 21, 2017

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Solstice & Equinox

Happy December 2017 Solstice!

The December solstice for 2017 begins on Dec. 21st at 16:28 UT (11:28 am EST). It is called the winter solstice for the Northern Hemisphere and the summer solstice for the Southern Hemisphere. But what is the solstice exactly? There […]

December 20, 2016

Seeing Equinoxes and Solstices from Space - CREDIT: NASA Goddard

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Solstice & Equinox

Happy December 2016 Solstice!

The December solstice for 2016 begins on Dec. 21st at 10:44 UT (5:44 am EST). It is called the winter solstice for the Northern Hemisphere and the summer solstice for the Southern Hemisphere. But what is the solstice exactly? […]

December 21, 2014

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Solstice & Equinox

The December 2014 Solstice

The December solstice for 2014 begins on Dec. 21st at 23:03 UT (6:03 pm EST, 3:03 pm PST.) It is called the winter solstice for the Northern Hemisphere and the summer solstice for the Southern Hemisphere. But what is the […]