extragalactic

IPA/ˌek.strə.ɡəˈlæk.tɪk/
KK[ˌɛkstrəɡəlˈæktɪk]IPA/ˌek.strə.ɡəˈlæk.tɪk/

extragalactic — adjective

  • extragalacticpositive
  • more extragalacticcomparative
  • most extragalacticsuperlative

1. describing objects, regions, or events found beyond the Milky Way — the galaxy t

1.形容詞C1
釋義

describing objects, regions, or events found beyond the Milky Way — the galaxy that contains Earth and our solar system

例句

The Hubble telescope has captured images of many extragalactic objects, including distant galaxies.

collocation: extragalactic objects

Dr. Otis detected an extragalactic burst of radio waves using a large dish in Chile.

collocation: extragalactic burst

同義詞
  • intergalactic

    refers to the space between galaxies, not specifically to things outside the Milky Way; 'intergalactic' is about what lies between galaxies, while 'extragalactic' is about what lies beyond our own

  • cosmic

    much broader in scope (relating to the entire universe); less technical and less precise than 'extragalactic'

  • deep-space

    informal term for anything far from Earth; not specific to the galaxy boundary, and not used in formal astronomy writing

反義詞
  • galactic

    relating to our own galaxy, the Milky Way; the direct opposite in scale

  • intragalactic

    occurring within a single galaxy, rather than beyond it

文法句型

extragalactic + noun

用法筆記

Almost always used before a noun. Cannot be used with comparative forms (*more extragalactic, *most extragalactic) because a thing either is or is not outside the Milky Way; there are no degrees of extragalactic.

常見錯誤

❌Scientists found an extragalactic planet in our solar system.
✅Scientists found a new planet in our solar system, but extragalactic planets would exist in other galaxies.
💡'Extragalactic' means outside the Milky Way, so something in our solar system cannot be extragalactic.