dictionary.pt
astronomy
nounfemininetechnicalcommon/ɐʃtɾunuˈmiɐ/as·tro·no·mi·a
Definition
1The science that studies celestial bodies (stars, planets, comets, galaxies) and phenomena that occur outside Earth's atmosphere.
Usage examples
“Modern astronomy relies heavily on space telescopes.”
“He always had a passion for astronomy and spent nights observing the stars.”
Common combinations
observational astronomytheoretical astronomystudy astronomy