A few minutes ago, the sun crossed the celestial equator heading south. The crossing marks the beginning of fall in the northern hemisphere--a.k.a. the autumnal equinox. Equinox means equal night. With the sun near the celestial equator, we experience equal amounts of daylight and darkness, 12 hours of each. Moment of demarcation was 02:29 UT - it is now 2:54 - 19:54 PDT.
It has been a full summer but not quite ready for it to end - are we ever...
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