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

1.
천체, 별
a natural object in space, such as a star, planet, or moon
:
•
The night sky was filled with countless celestial bodies.
밤하늘은 수많은 천체로 가득했다.
•
Astronomers study the movement of celestial bodies.
천문학자들은 천체의 움직임을 연구한다.