island universe


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island universe

n
(Astronomy) a former name for galaxy
References in periodicals archive ?
The infinite space is adorned with the drama of things "coming into being" and "passing out of existence" in each of the innumerable island universes; each island universe with innumerable galaxies and each galaxy in turn with innumerable stars and planets.
He could find no such motions and concluded that the spirals were very distant, though he did not come round in favour of the island universe hypothesis.
I tell them they are going to be looking at an island universe of more that 500 billion stars, as much as a light-year across.