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optical astronomy
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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 1965ā70
OTHER WORDS FROM optical astronomy
optical astronomer, nounWords nearby optical astronomy
opted, optic, optical, optical activity, 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, Ā© Random House, Inc. 2023