Astronomy Picture of the Day



Markarian's Chain of Galaxies

1 Comments
Enceladus Close-Up

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Moon, Mercury, Monaco

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NGC 2266: Old Cluster in the New General Catalog

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The Equal Night

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Orion's Horsehead Nebula

5 Comments
To Fly Free in Space

1 Comments
A Dust Devil Swirling on Mars

6 Comments
Simeis 147: Supernova Remnant

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Huygens Discovers Luna Saturni

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Composite Crab

2 Comments
The Einstein Cross Gravitational Lens

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