Every year around March 20, the sun aligns with the Earth"s equator, and day and night are about equal in length. In the Northern Hemisphere, this is called the spring or vernal equinox, and it marks the astronomical exit of winter into the brighter, warmer springtime. From now on, we can enjoy days that are longer than nights. And a sharp eye might spot a flowering crocus, like the ones in today"s image, among the first flowers to bloom every year.
Spring equinox
Today in History
More Desktop Wallpapers:
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Diwali
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Roques de Benet, Els Ports Natural Park, Catalonia, Spain
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Grand Canyon National Park turns 105
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The Alhambra in Granada, Spain
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A cliffside harbor in Sardinia
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Nubble Island’s only industry
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Seasonal lights dazzle in Japan
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A peek at an explosive peak
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Composite image of a lunar eclipse
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The citadel in Bonifacio, Southern Corsica, France
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Frost on autumn leaves
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Light show at the skatepark
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Travel Sunday: On the Ganges in Varanasi, India
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Visiting the Mamanuca Islands for Fiji Day
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National Park Week: Wind Cave National Park
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World Bee Day
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A wild and scenic scene
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Celebrating women in science
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Monarch butterflies, Pismo Beach, California
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Entoloma hochstetteri mushroom at Lake Mahinapua, New Zealand
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Pretty poetic for a pit
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A bridge too Fawr
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Gray days ahead in Monterey
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Gespensterwald, Nienhagen, Germany
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Paradise, found
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Juniper Springs, Florida
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Upstate autumn
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Exploring the Pearl of the Atlantic
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The Giants Causeway, Northern Ireland
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American Eagle Day
Bing Wallpaper Gallery

