NGC 6822
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What links here
Heber Doust Curtis
List of University of Michigan alumni
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List of University of Virginia people
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Great Debate (astronomy)
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Curtis (crater)
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Limiting magnitude
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Little Dumbbell Nebula
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List of minor planets: 23001–24000
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Adriaan van Maanen
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Messier 87
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Outer space
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Messier 100
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Muskegon, Michigan
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List of astronomers
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Andromeda Galaxy
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Hubble's law
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1942
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William Herschel
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Quasar
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List of agnostics
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June 27
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Galaxy
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Heber Curtis
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H. D. Curtis
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Heber D. Curtis
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