Astronomy Picture of the Day

Undulatus Clouds over Las Campanas Observatory
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Earthset from Orion
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The Elephant's Trunk in Cepheus
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The Medusa Nebula
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Interplanetary Earth
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Journey to the Center of the Galaxy [video]
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The Horsehead Nebula
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The Sombrero Galaxy from Webb and Hubble
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The Meteor and the Comet
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NGC 206 and the Star Clouds of Andromeda
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Messier 4
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Winter and Summer on a Little Planet
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