'Equal Night' Definition an 'Oversimplification'

September 22, 2014 10:14 AM

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'Equal Night' Definition an 'Oversimplification'

As the 2014 autumn equinox begins, the idea that it marks the point when day and night are equal lengths is an "oversimplification", an expert has said.

Joe Rao, an instructor and guest lecturer at New York's Hayden Planetarium, writing for Space.com, said that the autumn equinox – the beginning of autumn in the Northern Hemisphere and spring in the Southern Hemisphere – is more complicated than most people believe.

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