Akademik
extragalactic
adjective
a)
Originating outside of the
Milky Way
galaxy.
Extragalactic astronomy is the study of things outside the Milky Way
b)
Originating outside of a
galaxy
See Also:
extrasolar
,
extraplanetary
,
extraterrestrial
,
intergalactic
, intragalactic,
galactic
Wikipedia foundation
.