1. astronomy

noun. ['əˈstrɑːnəmi'] the branch of physics that studies celestial bodies and the universe as a whole.


  • natural philosophy
  • astrometry
  • celestial mechanics
  • radio astronomy
  • uranology
  • selenology
  • physics
  • astrophysics
  • solar physics


  • astronomie (Old French (842-ca. 1400))
  • astronomia (Latin)

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Rhymes with Astronomy

  • ideonomy
  • economy
  • autonomy

Sentences with astronomy

1. Adjective
Check out a science lab, astronomy observatory or the dorms.

2. Noun, singular or mass
Astrophysics is a branch of astronomy.

3. Verb, base form
Earn a bachelors degree in a field related to astronomy and astrophysics.

Quotes about astronomy

1. Any patch of sunlight in a wood will show you something about the sun which you could never get from reading books on astronomy. These pure and spontaneous pleasures are ‘patches of Godlight’ in the woods of our experience.
- C.S. Lewis