September 22nd marks the 2022 fall equinox in the northern hemisphere. The fall, or autumnal equinox occurs when the Sun crosses the celestial equator going south. Also, this day marks the official first day of fall in the northern hemisphere. What is an Equinox? During an equinox, the sun crosses the celestial equator. The celestial equator is an imaginary extension of Earth’s … [Read more...]