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A Lunar Corona over Turin
What are those colorful rings around the Moon?
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Eagle Aurora over Norway
What's that in the sky? An aurora.
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8 Minute and 30 Second Eclipse
The total phase of the July 2nd solar eclipse lasted about 4 minutes and 30 seconds at the point of maximum eclipse.
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The Big Corona
Most photographs don't adequately portray the magnificence of the Sun's corona.
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Astronomy Picture of the Day: Across Corona Australis
Cosmic dust clouds are draped across a rich field of stars in this broad telescopic panorama near the northern boundary of Corona Australis, the Southern Crown.
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Astronomy Picture of the Day: Sun Dance
Sometimes, the surface of our Sun seems to dance.
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Astronomy Picture of the Day: Stars and Dust in Corona Australis
Cosmic dust clouds and young, energetic stars inhabit this telescopic vista, less than 500 light-years away toward the northern boundary of Corona Australis, the Southern Crown.
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Astronomy Picture of the Day: A Solar Filament Erupts
What's happened to our Sun? Nothing very unusual -- it just threw a filament. Toward the middle of 2012, a long standing solar filament suddenly erupted into space producing an energetic Coronal Mass Ejection (CME).
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Astronomy Picture of the Day: A Powerful Solar Flare
It was one of the most powerful solar flares in recorded history. Occurring in 2003 and seen across the electromagnetic spectrum, the Sun briefly became over 100 times brighter in X-rays than normal.
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Astronomy Picture of the Day: Parker vs Perseid
The brief flash of a bright Perseid meteor streaks across the upper right in this composited series of exposures made early Sunday morning near the peak of the annual Perseid meteor shower.
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