island universe


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island universe

n
(Astronomy) a former name for galaxy
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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.
And to the east was the faint fuzzy patch of the Andromeda galaxy, an island universe two million light years away.
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.
Ultimately, astronomers believe that the stars in NGC 7174 will be redistributed into a giant 'island universe', tens to hundreds of times as massive as our own Milky Way.
All those suns and worlds are concentrated into a tiny fuzz of dim, ancient light--each one an "island universe," as philosopher Immanuel Kant put it.
And if its strength remains fixed in time, akin to the cosmological constant that Einstein inserted into his equations of general relativity, every galaxy will someday become its own island universe.
Perhaps its biggest claim to fame is that it's a so-called starburst galaxy--an island universe glittering with a bumper crop of fresh, newly formed stars.
That, of course, famously occurred in 1923-24 when Hubble, using the 100-inch telescope on California's Mount Wilson, identified Cepheid variable stars within Andromeda and used their pulsation periods as cosmic yardsticks to establish that the nebula was indeed a separate island universe. Five years later, working with Milton Humason,
The Atacama straddles the Tropic of Capricorn, where we can experience the most breathtaking views of our "island universe," the Milky Way.