astronomy
US /əˈstrɑː.nə.mi/
UK /əˈstrɑː.nə.mi/

1.
astronomi
the scientific study of stars, planets, and other objects in outer space
:
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She is studying astronomy at the university.
Dia sedang belajar astronomi di universitas.
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Modern astronomy relies heavily on powerful telescopes.
Astronomi modern sangat bergantung pada teleskop yang kuat.