First Day of Fall !!!!!
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Not only will Northern America witness the beginning of autumn at 11:09 Eastern tonight, there will be a full moon in the sky. Put those two occurrences together and you'll get the rare "super harvest moon." "The two sources of light will mix together to create a kind of 360-degree, summer-autumn twilight glow," NASA Science writes . This event has not occurred for 20 years, and probably will not reoccur until 2029. -Washington Post-