Herschel Space Observatory
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What links here
Extragalactic astronomy
Konrad Rudnicki
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William Herschel Telescope
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Viktor Ambartsumian
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McDonald Observatory
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Extrasolar object
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Harlow Shapley
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Outline of academic disciplines
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Seyfert galaxy
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Astronomy
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Hubble sequence
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Galactic astronomy
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Outline of space science
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Outline of physics
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Nova
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List of agnostics
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History of astronomy
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Edwin Hubble
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Aberration (astronomy)
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Astronomer
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