extragalacmy
ext
ɛkst
ekst
ra
ga
lac
læk
lāk
my
mi
mi
British pronunciation
/ˌɛkstɹəɡɐlˈaktɪk ɐstɹˈɒnəmɪ/

Definition & Meaning of "extragalactic astronomy"in English

Extragalactic astronomy
01

study of celestial objects outside the Milky Way galaxy

Wiki
example
Examples
Extragalactic astronomy explores objects beyond our Milky Way.
Galaxies outside our own are considered extragalactic.
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