Autumn has officially begun! In the Northern Hemisphere, the autumnal equinox falls on September 23 this year, marking the beginning of autumn. Today is one of the two moments in the year when day and night are equal in length, thanks to the sun"s location exactly above the equator. In the Southern Hemisphere, today marks the vernal equinox and they are heading into spring.
Autumnal equinox
Today in History
More Desktop Wallpapers:
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Glass footbridge in Zhangjiajie, China
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Goodbye, 2020!
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Bridge of Hillsborough County
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Nothing plain about it
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First Cliff Walk
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Beyond Walls for World Refugee Day
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A cozy winter village
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Looking down on the Otter
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A city, a cliff, a canyon…and cheese
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Rocky mountain pi
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Taking the scenic route
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Montreux, Switzerland, and all that jazz
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Who s hiding in the kelp?
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Park of the Monsters, Bomarzo, Italy
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Cheese! We ll go somewhere where there s cheese!
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Why, aloe there
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Kinder Scout, Peak District National Park, England
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Panda Day
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Bear watching in the Finnish forest
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World Philosophy Day
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A different kind of dive
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World of WearableArt Awards
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Hohenzollern Castle near Stuttgart, Germany
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New Zealand s loneliest mountain
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Bromo Tengger Semeru National Park, East Java, Indonesia
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This reef is nowhere near the sea…
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Once upon a time there was a bridge…
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Bellissima!
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The story of the poinsettia
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The Twin Cities celebrate Pride