Astronomers would need to recognize the same galaxy despite changes in appearance or shifts in position relative to neighboring galaxies.
(Astronomers; would need; to recognize the same galaxy despite changes in appearance or shifts in position relative to neighboring galaxies) Context(Astronomers would need,List([0, 22))):(Astronomers; would need to recognize; the same galaxy)
Astronomers would need,List([0, 22))
Astronomers Astronomers
would need would need to recognize
to recognize the same galaxy despite changes in appearance or shifts in position relative to neighboring galaxies
the same galaxy