Class: chemicalAbundance
http://www.astro.umd.edu/~eshaya/astro-ont/owl/astronomy.owl#chemicalAbundance
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astronomyEntity
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astroMeasurement
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starMeasurement
- chemicalAbundance
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starMeasurement
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astroMeasurement
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measurement
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astroMeasurement
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starMeasurement
- chemicalAbundance
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starMeasurement
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astroMeasurement