Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Located or originating beyond the Milky Way.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective astronomy Originating outside of the
Milky Way galaxy.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective outside or beyond a galaxy
Etymologies
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Examples
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I thought that the article implied that the 'extragalactic' GCs joined our galaxy through the Milky Way cannibalising other, smaller dwarf galaxies.
Alien Star Clusters Are Invading the Milky Way | Universe Today 2010
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Some people reach for the stars, but my reach is extragalactic.
The evapo-day Joel Achenbach 2010
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Globular Cluster M54 in Sagittarius, near the handle of the 'Tea Pot' asterism, has long been thought to be 'probably extragalactic' and originating from the Sagittarius dwarf galaxy.
Alien Star Clusters Are Invading the Milky Way | Universe Today 2010
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The other question of course follows… If the X-Rays are actually "30-50x than is actually observed", then logically the difference between X-ray emissions in the two SNIa scenarios would be true for observed extragalactic supernova too.
Merging White Dwarfs Set Off Supernovae | Universe Today 2010
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Or not; the general topic is a hot one in extragalactic astronomy, so there's a lot of research being done.
Better Late Than Never: Dwarf Galaxies Finally Come Together | Universe Today 2010
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Now comes news of the potential discovery of dozens of extragalactic planetary systems.
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Insanely obsessed fans like me will know that the extragalactic Invasion story arc was originally proposed by Dark Horse but somehow Del Rey ended up with a 21 book arc instead.
Star Wars News Round Up Patrick 2009
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Arp points out in his paper that extragalactic dust clouds are known to exist, and he references M 81 as a prime example.
Supernova 2009js… Another One Bites The Dust! | Universe Today 2009
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These ordinary-looking seeds have actually been genetically modified to detect X-ray bursts from the sun or from some extragalactic sources located halfway across the Universe and emitted billions of years ago.
Archive 2007-05-01 2007
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These ordinary-looking seeds have actually been genetically modified to detect X-ray bursts from the sun or from some extragalactic sources located halfway across the Universe and emitted billions of years ago.
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