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

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Dr. C. Alex Young
ryanomilligan
virtuallinda

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)

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 […]