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 1965–70

optical astronomer, noun

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
Its 8-megapixel camera, inclusive of true-tone and dual-LED f/2.2 aperture flashes, features optical image stabilization.
Why Every Home Needs a Drone This Holiday|Charlie Gilbert|December 8, 2014|DAILY BEAST
The authors took care to eliminate the possibility of other sources of polarization, which is always a concern in astronomy.
The Black Hole Tango|Matthew R. Francis|November 24, 2014|DAILY BEAST
Muslims made many discoveries in mathematics, chemistry, physics, medicine, astronomy and psychology.
‘Gods of Suburbia’: Dina Goldstein’s Arresting Photo Series on Religion vs. Consumerism|Dina Goldstein|November 8, 2014|DAILY BEAST

Nearly everything we know about dark matter so far comes from astronomy.
Still No Dark Matter from Space Station Experiment|Matthew R. Francis|September 21, 2014|DAILY BEAST
One of the big challenges in astronomy involves determining when the first galaxies formed, and what they looked like.
Some of the First Galaxies Were Big Babies|Matthew R. Francis|September 14, 2014|DAILY BEAST
A learned Professor declared that no person unacquainted with astronomy could correlate “Moon” to “Omnibus.”
Assimilative Memory|Marcus Dwight Larrowe (AKA Prof. A. Loisette)
The burning atmosphere, the motionless air caused doubtless the optical illusion.
The Wave|Algernon Blackwood
First of all comes astronomy, including the phenomena exhibited in the heavens, beyond the limits of the earth's atmosphere.
Outlines of the Earth's History|Nathaniel Southgate Shaler
Science began with astronomy, and the first instruments which men contrived for the purpose of investigation were astronomical.
Outlines of the Earth's History|Nathaniel Southgate Shaler
As stated in the chapter on astronomy, some trace of the triangular form appears in the land masses of the planet Mars.
Outlines of the Earth's History|Nathaniel Southgate Shaler