Autumn is in the air—officially. The September equinox marks the transition from the lush summer to the mellow autumn in the Northern Hemisphere, while in the Southern Hemisphere, it signals the beginning of spring. The term "equinox" is derived from Latin, meaning "equal night." During this moment, the Earth"s axis is perpendicular to the sun, meaning it rises due east and sets due west, a rare moment of global balance. This balance occurs because the Earth"s axis is neither tilted toward nor away from the sun.
Autumn equinox
Today in History
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Glenariff Forest Park, Northern Ireland, UK
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A traboule in Lyon, France
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European river otter
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Songkran—Thai New Year
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Spine-cheeked anemonefish
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World Theatre Day
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Ring-tailed lemur
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A glowing square of squares
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Eurasian lynx
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Traditional red fishermens cabins, Reine, Norway
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Mount Rainier National Park, Washington, USA
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Mothering Sunday
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Whanganui National Park, Retaruke, New Zealand
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Happy St Patricks Day!
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Her legend and mystery endure
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Firefall at Yosemite
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Martimoaapa Mire Reserve, Finland
Bing Wallpaper Gallery

