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1. Oxford Dictionary

   astronomy

   • IPA[əˈstrɒnəmi]

   英式

   • n.
     the branch of science which deals with celestial objects, space, and the physical universe as a whole.

   • noun: astronomy

2. • 相關詞

   radar astronomy

   • n.
     the branch of astronomy that uses radar to map the surfaces of planetary bodies in the solar system.

   Oxford American Dictionary

   radio astronomy

   • n.
     the branch of astronomy concerned with radio emissions from celestial objects.

   Oxford Dictionary

   radio astronomy

   • n.
     the branch of astronomy concerned with radio emissions from celestial objects.

   Oxford American Dictionary

   X-ray astronomy

   • n.
     the branch of astronomy concerned with the detection and measurement of high-energy ...

   Oxford American Dictionary

   X-ray astronomy

   • n.
     the branch of astronomy concerned with the detection and measurement of high-energy ...

   Oxford Dictionary

3. • 更多解釋

   astronomy

   • IPA[əˈstränəmē]

   美式

   • n.
     the branch of science which deals with celestial objects, space, and the physical universe as a ...

   Oxford American Dictionary