October 20, 2019

Astro-event for September 22rd-29th, 2008; An Autumnal Equinox.

Brace yourselves; the Northern Hemisphere is headed towards Fall!

I know, an equinox may not be the sexiest thing to observe, but its onset has deep significance for those positioned in the northern hemisphere. Fall is here, which means winter is on it way. However, it also means that nights will be getting longer. It also means that the sun will rise and set due east and due west respectively for everyone on the planet. The autumnal equinox this year occurs on Monday, September 22nd, at 11:44 AM EDT.

The astro-word of the week is Equinox. This literally means “equal night”. This occurs when the sun reaches the point on the ecliptic were it crosses the celestial equator. On earth’s equator, the sun passes directly overhead; at the poles, it sits on the horizon. This occurs twice a year, once around March 21st and on or around September 21st.

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