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From Longman Dictionary of Contemporary English
Related topics: Astronomy
astronomyas‧tron‧o‧my /əˈstrɒnəmi $ əˈstrɑː-/ ●○○ noun [uncountable]  HAthe scientific study of the stars and planetsastrology
Examples from the Corpus
astronomyIt is not only biology, but cosmology, physics and astronomy that presuppose a general evolutionary account of the cosmos.One could accept the mathematical models of Copernican astronomy without even considering whether the earth really moves.An imperfect start, but one that over time will reveal a great deal about mathematics, astronomy, and science.So Princeton University Press certainly knows what it is doing with its new astronomy handbook.They called it Schiaparelli, in honour of a hero of the art of astronomy.A beguiling little one-of-a-kind movie about a dwarf who gets hooked on astronomy and grows up to be a writer.Certainly, as regards astronomy, no advances were made; in fact, just the opposite occurred.Heat had intimate links with chemistry, and optics with astronomy.
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