celestial body
US /sɪˌles.tʃəl ˈbɑː.di/
UK /sɪˌles.tʃəl ˈbɑː.di/

1.
corpo celeste, astro
a natural object in space, such as a star, planet, or moon
:
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The night sky was filled with countless celestial bodies.
Il cielo notturno era pieno di innumerevoli corpi celesti.
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Astronomers study the movement of celestial bodies.
Gli astronomi studiano il movimento dei corpi celesti.