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单词 extragalactic
释义

Definition of extragalactic in English:

extragalactic

adjectiveˌɛkstrəɡəˈlaktɪkˌɛkstrəɡəˈlæktɪk
Astronomy
  • Situated, occurring, or originating outside the Milky Way galaxy.

    〔天文〕银河(系)外的,河外的

    extragalactic radio sources

    河外射电源。

    Example sentencesExamples
    • The number of these sources is consistent with the expected number of extragalactic sources in the background sky.
    • It is definitely an extragalactic background.
    • Astronomers can determine the composition and temperature of extragalactic material by analyzing the way radiation passing through it is distributed along an infrared spectrum.
    • Hence the whole foundation of extragalactic astronomy and Big Bang theory is swept away’ .
    • And on extragalactic scales, they even expect to study individual stars around black holes.

Definition of extragalactic in US English:

extragalactic

adjectiveˌɛkstrəɡəˈlæktɪkˌekstrəɡəˈlaktik
Astronomy
  • Situated, occurring, or originating outside the Milky Way galaxy.

    〔天文〕银河(系)外的,河外的

    extragalactic radio sources

    河外射电源。

    Example sentencesExamples
    • It is definitely an extragalactic background.
    • The number of these sources is consistent with the expected number of extragalactic sources in the background sky.
    • Astronomers can determine the composition and temperature of extragalactic material by analyzing the way radiation passing through it is distributed along an infrared spectrum.
    • Hence the whole foundation of extragalactic astronomy and Big Bang theory is swept away’ .
    • And on extragalactic scales, they even expect to study individual stars around black holes.
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更新时间:2025/8/10 4:07:48