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The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe. / (obsolete) Astrology.

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astronomy

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astronomy

/əˈstɹɑn.ə.mi/

noun

The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe. / (obsolete) Astrology.