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Extragalactic astronomy
/ˌɛkstɹəɡɐlˈaktɪk ɐstɹˈɒnəmɪ/
/ˌɛkstɹəɡɐlˈæktɪk ɐstɹˈɑːnəmi/Extragalactic astronomy
01
外星系天文学, 银河系外天体的研究
study of celestial objects outside the Milky Way galaxy
extragalactic astronomy
n
例子
Extragalactic astronomy explores objects beyond our Milky Way.
Extragalactic astronomy sheds light on cosmic evolution.
