Class: galaxyPair
http://www.astro.umd.edu/~eshaya/astro-ont/owl/astronomy.owl#galaxyPair
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astroMatterObject
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systemOfGalaxies
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galaxyGroup
- galaxyPair
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galaxyGroup
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systemOfGalaxies
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system
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systemOfGalaxies
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galaxyGroup
- galaxyPair
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galaxyGroup
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systemOfGalaxies