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astronomy

astronomy

96 2.8
The science that studies stars, planets, and space
  • noun
  • /əˈstrɒnəmi/
  • Specialized
translation icon : astronomía
  • Many of the boys and girls who studied astronomy under her leadership have become scientists and educators:
  • study of astronomy
  • astronomy and physics
  • amateur astronomy

And it's a little bit like astronomy in the time of Ptolemy.

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Examples

  • I studied astronomy and planetary science at school.

  • I teach astronomy.

  • A lot has happened both in astronomy and in the world.

  • And it's images like this that remind me why I love astronomy so much.

  • But I have a soft spot for astronomy.

  • How much do you know about astronomy?

  • I'm also incredibly lucky to be in the field of astronomy at this present time.

  • They have an excellent astronomy department.

  • Moulton had offered him the chance to teach an elementary astronomy course, and he took it.

    Academic text (1990)
  • In university, she majored in astronomy and spent countless nights stargazing.

Synonyms

uranology
vsastronomy
  • Archaic
9.9

The study of stars, planets, and the whole universe

has identical meaning but is an alternative name

Compounds

radio astronomy
  • Specialized
2 4.2

A way of studying space by finding radio waves from stars and galaxies

astronomy satellite
  • Specialized
5.1

A man-made object with a telescope that observes stars, planets, and galaxies from space

astronomy unit
  • Specialized
5.7

A unit of length equal to the average distance from Earth to the Sun

How Specialized

cosmogeny
  • Specialized
9.9
cosmology
  • Specialized
20 8.1
astrophysics
  • Specialized
23 5.8
astronomy
  • Specialized
96 2.8
physics
611 2.5
science
1.3

Surface Forms

astronomy singular
astronomies plural

Morphology

astronomy = astro + nom + y

This is a learned classical formation meaning roughly 'study of stars/space'; the components are recognizable, but the modern sense is broader than a simple literal combination.

Etymology

The word astronomy comes from Greek parts astro- meaning 'star' and -nomy meaning 'law' or 'rule', so it means 'laws of the stars'. Think of astronaut for the same astro- root; that's why astronomy is the study of stars, planets, and how they move in space.