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I'm a middle school teacher and science and books are two of my favorite things! (Chocolate and coffee are pretty high up on the list as well)

Monday, September 23, 2013

Autumnal Equinox - September 22 / Today in Science / Science NetLinks

Autumnal Equinox - September 22 / Today in Science / Science NetLinks: "Autumnal Equinox
The autumnal equinox is observed as a day-long affair, but the actual event is only a single point in time, usually observed on the 22nd or 23rd of September in the northern hemisphere. What happens is that earth reaches a point in its rotation so that the equator lines up perfectly parallel with that of the sun, putting the two on an equal “plane” for a short period of time. This point in time is called “solar noon.”"

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