Astronomy Picture of the Day

R3 PanSTARRS: An Orion Comet
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Aurora Slathers Up the Sky
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NGC 1300: Barred Spiral Galaxy
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Unraveling NGC 3169
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NGC 2170: The Angel Nebula
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The Dark Wolf Nebula
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A Collision of Galaxy Clusters
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The Nebulous Realm of WR 134
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Messier 2
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Thackeray's Globules
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NGC 3660 and Burçin's Galaxy
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PK 164 +31.1: The Headphone Nebula
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