optical astronomy
Astronomy using observations using telescopes and recording media that capture visible…Astronomy using observations using telescopes and recording media that capture visible light.
Meaning
2 senses(informal, uncountable)Astronomy using observations using telescopes and recording media that capture visible light.
(uncountable)Astronomy using infrared, visible, and/or ultraviolet wavelengths.
Synonyms
1 synonymsusing visible light:visible-light astronomy
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable