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Astronomy Picture of the Day: The Blue Horsehead Nebula in Infrared
The Blue Horsehead Nebula looks quite different in infrared light.
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Astronomy Picture of the Day: Meteor Over Crater Lake
Did you see it? One of the more common questions during a meteor shower occurs because the time it takes for a meteor to flash is typically less than the time it takes for a head to turn.
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Astronomy Picture of the Day: Moon in the Hyades
Have you seen the Moon lately? On April 18, its waxing sunlit crescent moved through planet Earth's night across a background of stars in the Hyades.
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Astronomy Picture of the Day: Milky Way over Deadvlei in Namibia
What planet is this? It is the only planet currently known to have trees.
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Astronomy Picture of the Day: M57: The Ring Nebula
Except for the rings of Saturn, the Ring Nebula (M57) is probably the most famous celestial band.
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Astronomy Picture of the Day: Flyover of Jupiter's North Pole in Infrared
What would it look like to fly over the North Pole of Jupiter?
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Astronomy Picture of the Day: M22 and the Wanderers
Wandering through the constellation Sagittarius, bright planets Mars and Saturn appeared together in early morning skies over the last weeks.
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Astronomy Picture of the Day: Dragon Aurora over Norway
What's that in the sky? An aurora.
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Astronomy Picture of the Day: The Sun Unleashed: Monster Filament in Ultraviolet
One of the most spectacular solar sights is an explosive flare
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Astronomy Picture of the Day: NGC 289: Swirl in the Southern Sky
About 70 million light-years distant, gorgeous spiral galaxy NGC 289 is larger than our own Milky Way
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