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Astronomy using observations using telescopes and recording media that capture visible light.
Definition source: English Wiktionary via Wiktextract
Usage: informal, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Astronomy using infrared, visible, and/or ultraviolet wavelengths.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
No etymology was provided for this word.