optical astronomy
noun
the branch of observational astronomy using telescopes to observe or photograph celestial objects in visible light.
Origin of optical astronomy
1First recorded in 1965–70
Other words from optical astronomy
- optical astronomer, noun
Words Nearby optical astronomy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use optical astronomy in a sentence
These instruments will go far in getting China on the map where infrared and optical astronomy are concerned—they are on par with some of the “large” telescopes operated in places like Chile.
Chinese astronomers want to build an observatory in the Tibetan Plateau | Neel V. Patel | August 19, 2021 | MIT Technology Review
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