![The Equal Night](https://www.nasa.gov/wp-content/uploads/2023/03/207111main_sts068-060-004_full.jpg)
The Equal Night
The equinox is an astronomical event that marks the first day of autumn in the northern hemisphere and spring in the south. Equinox means equal night and with the sun on the celestial equator, Earth dwellers will experience nearly 12 hours of daylight and 12 hours of darkness.
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