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optical astronomy

noun

the branch of observational astronomy using telescopes to observe or photograph celestial objects in visible light.

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Origin of optical astronomy

First recorded in 1965–70

OTHER WORDS FROM optical astronomy

optical astronomer, noun

Words nearby optical astronomy

optical, optical aberration, optical activity, optical allachesthesia, optical art, optical astronomy, optical bench, optical binary, optical center, optical character reader, optical character recognition
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020