astronomynoun [ U ]
uk/əˈstrɒn.ə.mi/us/əˈstrɑː.nə.mi/C2 the scientific study of the universe and of objects that exist naturally in space, such as the moon, the sun, planets, and stars
Examples
- Unlike astronomy, astrology cannot be described as an exact science.
- I've always had an interest in astronomy.
- These ancient scholars were steeped in poetry and painting, as well as maths and astronomy.
Thesaurus: synonyms and related words
Astronomy
- asteroid
- astral
- astro-
- astrolabe
- astronomer
- gibbous
- heavenly body
- interplanetary
- interstellar
- Jupiter
- Pleiades
- plough
- Pluto
- Polaris
- pulsar
- Uranus
- Venus
- vernal equinox
- wane
- white dwarf
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Examples from literature
- Since the beginnings of astronomy scientists have been constantly improving telescopes and space observatories to better understand the universe.
- Then people studied astronomy, and they thought about how the Moon changed.